- Nicole de Boer - Ezri Dax
- Michael Dorn - Worf
- Michael Dorn - Willie Hawkins
- John Colicos - Kor
- William Campbell - Koloth
- Bill Bolender - The Albino
- Rick Pasqualone - Toral
- Neil Vipond - Darok
- Nancy Youngblut - Kolana
- Blake Lindsley - Synon
- Borovnisa Blervaque - Risian Woman (as Blair Valk)
- James Sloyan - Dr. Mora
- Davida Williams - Lisa
- Patrick Stewart - Capt. Jean-Luc Picard / Locutus of Borg
- Lily Mariye - Ops Officer
- Cassie Byram - Conn Officer
- Lynnda Ferguson - Doran
- Thomas Hobson - Young Jake
- Joel Swetow - Gul Jasad
- Gene Armor - Bajoran Bureaucrat
- Donald Hotton - Monk
- Stephen Rowe - Monk
- Parker Whitman - Cardassian Officer
- William Powell-Blair - Cardassian Officer
- Kevin McDermott - Alien Batter
- Jeffrey Nordling - Tahna
- Gwynyth Walsh - B'Etor
- Barbara March - Lursa
- Richard Ryder - Bajoran Deputy
- Edward Albert - Zayra
- Stephen James Carver - Ibudan
- Diana Cignoni - Dabo Girl
- Tom Klunis - Old Man
- Scott Trost - Bajoran Officer
- Patrick Cupo - Bajoran Man
- Kathryn Graf - Bajoran Woman
- Judi M. Durand - Computer Voice (voice)
- Jack Kehler - Jaheel
- Matthew Faison - Surmak Ren
- Geraldine Farrell - Galis Blin
- Gerrit Graham - The Hunter
- Jennifer Hetrick - Vash
- John de Lancie - Q
- Tom McCleister - Kolos
- Van Epperson - Bajoran Clerk
- Laura Wilkinson - Bajoran Woman
- Anne Haney - Renora
- Richard Lineback - Selin Peers
- Fionnula Flanagan - Enina Tandro
- Julie Caitlin Brown - Ty Kajada
- Christopher Collins - Durg
- James Harper - Rao Vantika
- James Lashly - Lieutenant Primmin
- Joel Brooks - Falow
- Clara Bryant - Chandra
- Lou Wagner - Krax
- Barry Gordon - Nava
- Lee Arenberg - Gral
- Cliff DeYoung - Croden
- Gordon Clapp - Hadran
- Kathleen Garrett - Vulcan Officer
- Leslie Kendall Dye - Yareth
- Paul Collins - Zlangco
- Jonathan Banks - Shel-la
- Lawrence Monoson - Hovath
- Kay E. Kuter - Sirah
- Gina Philips - Varis Sul
- Jordan Lund - Woban
- Amy Benedict - Woman
- Brian Keith - Mullibok
- Michael Bofshever - Toran
- Terrence Evans - Baltrim
- Annie O'Donnell - Keena
- Daniel Riordan - Guard
- Keone Young - Buck Bokai
- Michael J. Anderson - Rumpelstiltskin
- Constance Towers - Taxco
- Michael Ensign - Lojal
- Benita Andre - Anara
- Tom Towles - Hon'Tihl
- Stephen Parr - Valerian
- Jeff Pruitt - Ensign
- Harris Yulin - Aamin Marritza
- Tony Rizzoli - Kainon
- Ted Sorel - Kaval
- Norman Large - Kobheerian Captain
- Robin Christopher - Neela
- Michael Fairman - Vendor
- Paul Nakauchi - Tygarian Officer
- Bruce Gray - Admiral Chekote
- Mike Genovese - Zef'No
- Anthony Guidera - Cardassian
- Eric Server - Peace Officer
- Steven Weber - Colonel Day
- Richard Beymer - Li Nalas
- Stephen Macht - General Krim
- Frank Langella - Minister Jaro
- John Glover - Verad
- Steve Rankin - Yeto
- Majel Barrett - Computer Voice (voice)
- Majel Barrett - Lwaxana Troi
- Robert Mandan - Kotan Pa'Dar
- Sharon Conley - Jomat Luson
- Karen Hensel - Deela
- Daphne Ashbrook - Melora Pazlar
- Peter Crombie - Fallit Kot
- Don Stark - Ashrock
- Helene Udy - Pel
- Emilia Crow - Zyree
- Katherine Moffat - Vaatrik Pallra
- Salli Richardson-Whitfield - Fenna / Nidell
- Richard Kiley - Seyetik
- Mark Erickson - Piersall
- William Schallert - Varani
- Andrew Koenig - Tumak
- Betty McGuire - Vayna
- Robert Curtis Brown - Vedek Sorad
- Deborah May - Haneek
- Michael Bell - Drofo Awa
- Michael Bell - Borum
- Nicholas Shaffer - Cowl
- Barbara Bosson - Roana
- Chris Sarandon - Martus Mazur
- Albert Henderson - Cos
- Matt McKenzie - Dr. Weld Ram
- Darleen Carr - Ambassador E'Tyshra
- Peter White - Ambassador Sharat
- Larry Cedar - Dr. Nydrom
- Bill Mondy - Jakin
- Susan Bay Nimoy - Admiral Rollman
- Philip LeStrange - Coutu
- Julia Nickson - Cassandra
- Stephen Davies - Tactical Officer
- Stephen Davies - Arak'Taral
- Steve Vinovich - Joseph
- Michael B. Silver - Vinod
- Erick Weiss - Stephan
- Gail Strickland - Alixus
- Kenneth Mars - Colyus
- Kenneth Tobey - Rurigan
- Noley Thornton - Taya
- Trula M. Marcus - Villager
- Martin Cassidy - Villager
- Geoffrey Blake - Arjin
- Ron Taylor - Klingon Chef
- Chris Nelson Norris - Trajok
- Mary Crosby - Natima Lang
- Michael Reilly Burke - Hogue
- Heidi Swedberg - Rekelen
- Scott MacDonald - Tosk
- Scott MacDonald - Goran'Agar
- Edward Wiley - Gul Toran
- Michael Krawic - Samuels
- Bernie Casey - Calvin Hudson
- Bernie Casey - Commander Calvin Hudson
- Michael Ansara - Kang
- Michael Ansara - Jeyal
- John Schuck - Legate Parn
- Jack Shearer - Vadosia
- Jack Shearer - Ruwon
- Tony Plana - Amaros
- Bertila Damas - Sakonna
- Amanda Carlin - Kobb
- Jimmie F. Skaggs - Glinn Boheeka
- John Cothran - Telok
- Stephen Gevedon - Klingon
- Jack Orend - Human
- Bert Remsen - Kubus
- Charles Parks - Eblan
- Tom Villard - Prylar Bek
- Richard Poe - Gul Evek
- Caroline Lagerfelt - Makbar
- John Beck - Boone
- Fritz Weaver - Kovat
- Julian Christopher - Disembodied Cardassian Voice
- Tim Russ - T'Kar
- Tim Russ - Tuvok
- Alan Oppenheimer - Captain Keogh
- Cress Williams - Talak'talan
- Molly Hagan - Eris
- Michael Jace - 1st Officer
- Natalija Nogulich - Admiral Alynna Nechayev
- Martha Hackett - T'Rul
- William Frankfather - Male Shapeshifter
- Dennis Christopher - Borath
- Christopher Doyle - Jem' Hadar Officer
- Leland Orser - Gai
- Leland Orser - Lovok
- Lisa Banes - Doctor Renhol
- Harvey Vernon - Yolad Belar
- Nicholas Cascone - Timor
- Megan Gallagher - Mareel
- Megan Gallagher - Nurse Faith Garland
- Gregory Sierra - Entek
- Tony Papenfuss - Yeln
- Cindy Katz - Yteppa
- Billy Burke - Ari
- Christopher Carroll - Gul Benil
- Bumper Robinson - Jem'Hadar Teenager
- Jill Sayre - Mardah
- Matthew Kimbrough - Alien High Roller
- Christine Healy - Seltin Rakal
- Brett Cullen - Deral
- Jonathan Frakes - Thomas Riker
- Tricia O'Neil - Korinas
- Michael Canavan - Tamal
- Robert Kerbeck - Cardassian Soldier
- Tom Morga - Jem' Hadar Soldier
- Tom Morga - Soto
- Tom Morga - Jem'Hadar Guard
- Tom Morga - Holographic Warrior
- Eidan Hanzei - Male Guest
- Eric Morgan Stuart - Stairway Guard
- Randy Oglesby - Silaran
- Randy Oglesby - Ro-Kel / Ah-Kel
- Jim Jansen - Lucsly
- Jim Jansen - Faren
- Jim Metzler - Chris Brynner
- Frank Military - Biddle Coleridge / B.C.
- Patricia Tallman - Weapons Officer
- Patricia Tallman - Nurse Tagana
- Patricia Tallman - Nima
- Deborah Van Valkenburgh - Detective Preston
- Al Rodrigo - Bernardo
- Brian Thompson - Inglatu
- Brian Thompson - Toman'torax
- Dick Miller - Vin
- Clint Howard - Grady
- Tina Lifford - Lee
- Bill Smitrovich - Webb
- Richard Lee Jackson - Danny
- Daniel Zacapa - Henry
- Dennis Madalone - Marauder
- Dennis Madalone - Cardassian Guard
- Dennis Madalone - Atul
- Dennis Madalone - Guard
- Andrew Prine - Legate Turrel
- Lark Voorhies - Leanne
- Eva Loseth - Riska
- Tracy Scoggins - Gilora Rejal
- Wendy Robie - Ulani Belor
- Erick Avari - Vedek Yarka
- Nicholas Worth - Lissepian Captain
- Nicholas Worth - Sorm
- Jessica Hendra - Dejar
- Juliana Donald - Emi
- Bennet Guillory - Medical Big Shot
- Ray Young - Morka
- Bob Minor - Bo'rak
- Victor Rivers - Altovar
- Ann Gillespie - Nurse Jabara
- Nicole Forester - Dabo Girl
- Gregory Itzin - Ilon Tandro
- Gregory Itzin - Hain
- John Hayden - Cardassian Overseer
- Carlos Lacámara - Retaya
- Darwyn Carson - Romulan
- Leon Russom - Admiral Toddman
- Wendy Schenker - Romulan Pilot
- Bari Hochwald - Elizabeth Lense
- Andrea Martin - Ishka
- Mel Green - Secretary
- Leslie Bevis - Rionoj
- Leslie Bevis - Freighter Captain
- John Doman - Lenaris Holem
- Sherman Howard - Syvar
- Harry Hutchinson - Trooper
- Jeffrey Alan Chandler - Guardian
- Jeff Austin - Bolian
- Max Grodénchik - Rom
- Max Grodénchik - Ferengi Pit Boss
- Max Grodénchik - Patron in Vic's Lounge (uncredited)
- Obi Ndefo - Drex
- Christopher Darga - Kaybok
- William Dennis Hunt - Huraga
- Galyn Görg - Korena
- Jeremy Roberts - Meso'Clan
- Marshall R. Teague - Temo'Zuma
- Roy Brocksmith - Razka Karn
- Susanna Thompson - Dr. Lenara Kahn
- James Noah - Hanor Pren
- Danny Goldring - Legate Kell
- Danny Goldring - Chief Burke
- James Cromwell - Hanok
- Philip Anglim - Vedek Bareil
- Philip Anglim - Bareil
- Sara Mornell - Sarita Carson
- Jay Baker - Stevens
- Charles Napier - Gen. Rex Denning
- Tony Todd - Kurn
- Tony Todd - Adult Jake Sisko
- Conor O'Farrell - Jeff Carlson
- James MacDonald - Captain James Wainwright
- Lawrence Pressman - Krajensky
- Lawrence Pressman - Tekeny Ghemor
- Lawrence Pressman - Ghemor
- Marci Brickhouse - Mona Luvsitt
- Vaughn Armstrong - Seskal
- Vaughn Armstrong - Gul Danar
- Susan Gibney - Commander Erika Benteen
- Susan Gibney - Captain Erika Benteen
- Dylan Chalfy - Head Officer
- Robert Foxworth - Admiral Leyton
- Felecia M. Bell - Jennifer Sisko
- Felecia M. Bell - Jennifer
- Herschel Sparber - President Jaresh-Inyo
- Rudolph Willrich - Academy Commandant
- Bobby C. King - Security Chief
- Mina Badie - Security Officer
- Bruce Wright - Sarish
- Charles Tentindo - Jimenez
- Cyia Batten - Ziyal
- Tom Demille - Klingon
- Todd Waring - Lasaran
- Todd Waring - DeCurtis
- Robert DoQui - Noggra
- Dell Yount - Tilikia
- D. Elliot Woods - Klingon Officer
- Jason Marsden - Grimp
- Emilio Borelli - Frool
- Camille Saviola - Kai Opaka
- Richard Libertini - Akorem Laan
- David Carpenter - Onara
- Deborah Strang - Admiral T'Lara
- Ron Canada - Ch'Pok
- Christopher Michael - Helm Officer
- Craig Wasson - Ee'char
- Margot Rose - Rinn
- Joseph Ruskin - Tumek
- Joseph Ruskin - Informant
- James Black - Helmsman
- Carlos Carrasco - Klingon Officer
- Carlos Carrasco - D'Ghor
- Carlos Carrasco - Krole
- Meg Foster - Onaya
- Shannon Cochran - Kalita
- Shannon Cochran - Sirella
- Tracy Middendorf - Ziyal
- Leslie Hoffman - Rebel
- Leslie Hoffman - Starfleet Officer
- John Prosky - Brathaw
- Steven Vincent Leigh - Lt. Reese
- Scott Haven - Virak'kara
- Clarence Williams III - Omet'iklan
- Ellen Wheeler - Ekoria
- Kitty Swink - Luaran
- Kitty Swink - Minister Rozahn
- Michael Sarrazin - Trevean
- Dylan Haggerty - Epran
- Lisa Moncure - Latia
- Loren Lester - Attendant
- Alan Echeverria - Patient
- Jill Jacobson - Aroya
- Andrew Hawkes - Amat 'igan
- Robert Budaska - Burly Klingon
- Tony Epper - Drunken Klingon
- Kaitlin Hopkins - Kilana
- F.J. Rio - Muñiz
- Mary Kay Adams - Grilka
- Andrew Kavovit - Kirby
- Karen Austin - Kalandra
- Mark Holton - Bolian
- Lisa Lord - Nurse
- John Fleck - Koval
- John Fleck - Ornithar
- Jeb Brown - Ensign
- Elle Alexander - Female Guard
- Ken Marshall - Michael Eddington
- Ken Marshall - Lt. Commander Michael Eddington
- Greg Christopher Smith - Male Guard
- Rosie Malek-Yonan - Tekoa
- Patrick Egan - Jiyar
- Charlie Brill - Arne Darvin
- Jack Blessing - Dulmur
- Deirdre Haj - Lieutenant Watley
- Leslie Ackerman - Waitress
- Charles Rahi Chun - Engineer
- Vanessa Williams - Arandis
- Zora DeHorter - Risian Woman
- Frank Kopyc - Bolian Aide
- Victor Bevine - Belar
- Scott Leva - Ortikan
- Scott Leva - Ramirez
- Annette Helde - Karina
- Annette Helde - Lt. Nadia Larkin
- Kurtwood Smith - Thrax
- Brenan T. Baird - Soldier
- Ernest Perry Jr. - Admiral Charles Whatley
- Diane Salinger - Lupaza
- Jennifer Savidge - Fala
- Matt Roe - Latha
- Christian Conrad - Brilgar
- Scott McElroy - Guard
- Duncan Regehr - Shakaar
- Peggy Roeder - Y'Pora
- Eric Pierpoint - Captain Sanders
- Paul Dooley - Enabran Tain
- Ray Buktenica - Deyos
- James Horan - Ikat'ika
- Phil Morris - Thopok
- Phil Morris - Remata'Klan
- Barry Wiggins - Jem'Hadar Officer
- Don Fischer - Jem'Hadar Guard
- Robert Picardo - Dr. Lewis Zimmerman / EMH Mark I
- Brian George - Richard Bashir
- J. Patrick McCormack - Admiral Bennett
- Dey Young - Arissa
- John Durbin - Traidy
- Brant Cotton - Tauvid Rem
- Randy Mulkey - Idanian Operative
- Lawrence Tierney - Regent
- Tim Halligan - Farrakk
- Steven Berkoff - Hagath
- Eric Cadora - Customer
- William Lucking - Furel
- Rick Schatz - Medic
- David Graf - Leskit
- Rick Worthy - Kornan
- Sandra Nelson - Tavana
- Gary Frank - Yedrin Dax
- Jennifer Parsons - Miranda O'Brien
- Doren Fein - Molly
- Marybeth Massett - Parell
- Jesse Littlejohn - Gabriel
- Gretchen German - Rebecca
- Tom Hodges - Pechetti
- Andy Milder - Boq'ta
- Marjean Holden - Stolzoff
- Jeffrey King - Amaro
- Brian Markinson - Dr. Elias Giger
- Tory Christopher - Paxton Reese
- Lilyan Chauvin - Vedek Yassim
- Sarah MacDonnell - Lt. Lisa Neeley
- Louise Fletcher - Kai Winn
- Louise Fletcher - Vedek Winn
- Joseph Fuqua - Ensign Paul Gordon
- Sam Zeller - Ch'Targh
- Gabrielle Union - N'Garen
- Bart McCarthy - Admiral Coburn
- Ericka Klein - Admiral Sitak
- William Wellman Jr. - Bajoran Officer
- Andrew Palmer - Jem'Hadar Soldier
- Melanie Smith - Ziyal
- Darin Cooper - Cardassian Officer
- Marc Worden - Alexander Rozhenko
- Sidney S. Liufau - Lt. Manuele Atoa
- John Towey - Vedek Ossan
- Jeannetta Arnette - Doctor Loews
- Josh Pais - Gaila
- Hamilton Camp - Leck
- Christopher Shea - Keevan
- Iggy Pop - Yelgrun
- Brad Greenquist - Krit
- Bridget White - Larell
- Hilary Shepard - Lauren
- Hilary Shepard - Hoya
- Cyril O'Reilly - Nahsk
- Henry Kingi Jr. - Diner Patron
- Scott Thompson Baker - First Kudak'Etan
- Fritz Sperberg - Second Ixtana'Rax
- Nick Tate - Liam Bilby
- J.G. Hertzler - Martok
- J.G. Hertzler - Vulcan Captain
- J.G. Hertzler - Martok / Roy Ritterhouse
- J.G. Hertzler - Laas
- Leland Crooke - Vorta Gelnon
- Michael Harney - Chadwick
- John Davis Chandler - Flith
- Joseph Culp - Raimus
- Brad Blaisdell - Yint
- Leslie Hope - Kira Meru
- David Bowe - Basso
- Tim DeZarn - Halb
- Thomas Kopache - Kira Taban
- Wayne Grace - Legate
- John Marzilli - Scavenger
- Samantha Mudd - Chandler
- Benjamin Brown - Kagan
- Howard Shangraw - Grathon Tolar
- Stephen McHattie - Vreenak
- Debi A. Monahan - Melissa
- James Greene - Koral
- Paul Popowich - Tim Watters
- Courtney Peldon - Farris
- David Drew Gallagher - Riley Shepard
- Scott Hamm Duenas - Parton
- Symba - Aluura
- Michelle Krusiec - Older Molly O'Brien
- Debra Wilson - Lisa Cusak (voice)
- David Birney - Letant
- Paul Eckstein - Limara'Son
- Paul Eckstein - Jem'Hadar
- Bob Kirsh - Glinn
- Johnny Moran - Bajoran Man
- Brock Peters - Joseph Sisko
- Megan Cole - Cretak
- Lori Lively - Siana
- Cathy DeBuono - M'Pella
- Cathy DeBuono - Breen
- Gregory Wagrowski - Captain Solok
- Faith Salie - Sarina Douglas
- Tim Ransom - Jack
- Michael Keenan - Patrick
- Art Chudabala - Cadet
- Art Chudabala - Lt. Hector Ilario
- Randy James - Jones
- Bill Mumy - Kellin
- Raymond Cruz - Vargas
- Patrick Kilpatrick - Reese
- Norman Parker - Vedek Fala
- Maureen Flannigan - Mika
- Jason Leland Adams - Benyan
- Tami-Adrian George - Kesha
- Kevin Rahm - Norvo
- John Paragon - Bokar
- Clayton Landey - Fuchida
- Leigh Taylor-Young - Yanas
- Marty Rackham - Lt. Chu'Lak
- Leigh McCloskey - Joran Belar
- John Eric Bentley - Klingon
- Marc Lawrence - Mr. Zeemo
- Mike Starr - Tony Cicci
- Robert Miano - Frankie Eyes
- James Wellington - Al
- Andrea C. Robinson - Blonde
- Christopher Mayer - Guard
- Kelleia Sheerin - Dancer
- Jacqueline Case - Dancer
- Adrienne Barbeau - Cretak
- Hal Landon Jr. - Neral
- Joe Leroy Reynolds - Hickam
- Michelle Horn - Saghi
- Robert O'Reilly - Gowron
- Robert O'Reilly - Countman
- James Otis - Solbor
- Scott Burkholder - Hilliard
- Colby French - Ensign Weldon
- Penny Johnson Jerald - Kasidy Yates
- Penny Johnson Jerald - Kasidy Yates / Cassie
- John Vickery - Gul Rusot
- J. Paul Boehmer - Vornar
- William Sadler - Sloan
- Jacqueline Schultz - Jessica
- Kate Asner - Nurse Bandee
- Wallace Shawn - Zek
- Tiny Ron - Maihar'du
- David B. Levinson - Broik
- Stephen Yoakam - Velal
- LeRoy D. Brazile - Lonar
- Salome Jens - Female Shapeshifter
- Julianna McCarthy - Mila
- Barry Jenner - Admiral Ross
- James Darren - Vic Fontaine
- Deborah Lacey - Sarah Sisko
- Mel Johnson Jr. - Broca
- Kelly Curtis - Miss Sarda
- Greg Ellis - Ekoor
- Cyndi Pass - Ginger
- Christopher Halsted - Jem'Hadar First
- Hana Hatae - Molly O'Brien
- Kevin Scott Allen - Jem'Hadar
- Jeff McBride - Joran Belar
- Rosalind Chao - Keiko O'Brien
- Aron Eisenberg - Nog
- Aron Eisenberg - Nog / Newspaper Vendor
- Jeffrey Combs - Weyoun
- Jeffrey Combs - Brunt
- Jeffrey Combs - Weyoun / Brunt
- Jeffrey Combs - Tiron
- Jeffrey Combs - Weyoun / Officer Mulkahey
- Marc Alaimo - Gul Dukat
- Marc Alaimo - Gul Dukat / Officer Ryan
- Andrew Robinson - Garak
- Casey Biggs - Damar
- Casey Biggs - Damar / Dr. Wykoff
- Chase Masterson - Leeta
- Chase Masterson - Leeta / Emony Dax
- Michael Rose - Niles
- Nick Dimitri - Markalian Thief (uncredited)
- Nick Dimitri - Trill Guard (uncredited)
- Peter Vogt - Bajoran
- Rick Berman
- Gene Roddenberry
- Ira Steven Behr
- Robert Hewitt Wolfe
- Junie Lowry-Johnson
- Peter Allan Fields
- Michael Piller
Steven Berkoff hace el papel de Hagath.
Jonathan Banks interpreta a Shel-la en la serie.
Jeannetta Arnette interpreta a Doctor Loews en la serie.
Brock Peters interpreta a Joseph Sisko en la serie.
Kurtwood Smith hace el papel de Thrax.
Marc Lawrence hace el papel de Mr. Zeemo.
Patrick Stewart interpreta a Capt. Jean-Luc Picard / Locutus of Borg en la serie.
Jonathan Frakes hace el papel de Thomas Riker.
John Doman hace el papel de Lenaris Holem.
Richard Lineback interpreta a Selin Peers en la serie.
Capítulo disponible en las siguientes plataformas:
