- Richard Gunn - Calvin Theodore
- Jennifer Blanc - Kendra Maibaum
- Jensen Ackles - Alec McDowell
- Jensen Ackles - Ben
- Kevin Durand - Joshua
- Kevin Durand - Isaac
- Lawrence Pressman - Uncle Jonas Cale
- Abraham Benrubi - Break
- Stephen Lee - Dan Vogelsang
- Kim Hawthorne - Jacinda Katsuno
- Stanley Kamel - Edgar Sonrisa
- Kristin Bauer - Lydia Meyerson
- Paul Popowich - Darren McKennon
- Sebastian Spence - Charles Smith
- Douglas O'Keeffe - Bruno Anselmo
- Sarah-Jane Redmond - Lauren Braganza
- Lauren Lee Smith - Natalie
- Kyley Statham - Young Jondy
- Hiro Kanagawa - Theo
- Alessandro Juliani - Druid
- Eileen Pedde - Hannah
- Taylor Reid - Sophy
- Garry Chalk - Lt. Walter Eastep
- Fulvio Cecere - Sandoval
- Alexander Pervakov - Steroid Case Guard
- Kate Luyben - Blonde at Party
- Steve Makaj - Lead Thug
- Branden Williams - Eric
- Zinaid Memišević - Captain
- Emily Tennant - Language Student 1
- Brittany Moldowan - Language Student 2
- Christopher Attadia - Language Student 3
- Byron Mann - Det. Matt Sung
- A.C. Peterson - Warden Terrence Leeson
- Christine Chatelain - Max's Young Mother
- Michelle Goh - Michiko
- Kristie Marsden - Lucy
- John Sampson - Thug 1
- Derek Morrison - Thug 2
- Suleka Mathew - News Reporter
- Suleka Mathew - Reporter
- Colin Foo - Proprietor
- Jasmin Dring - Proprietor's Wife
- Richard Lett - Fence
- Andy Rukes - Orderly
- Michael Eklund - Officer Miller
- Reese McBeth - Young Man From Cell
- Peter Grasso - Guard
- Tony Perez - Nathan Herrero
- Lisa Rodríguez - Alina Herrero
- Murray Lowry - Drunk
- Duane Dickinson - Guard 2
- Bruce Pinard - Guard 3
- Brenda James - Valerie Cale
- Gavin Buhr - Henry
- Rodney Rowland - Mitch - Valerie's Husband
- Emy Aneke - Waiter
- Emy Aneke - Watch Captain
- Ralph Alderman - Impound Clerk
- Alex Green - Security Guard
- Nicole G. Leier - Phone Girl 1
- Warren Takeuchi - Coroner
- Taayla Markell - Mercy Chang
- Ron Blecker - TAC Leader
- Ron Blecker - Drill Sergeant
- Ron Blecker - Drill Instructor
- Ron Blecker - TAC Officer
- George Cheung - Dr. Tanaka
- Mark Houghton - Captain Exter
- Troy Ruptash - Jon Darius
- Mike Weinberg - Jude Thatcher
- Shannon Powell - Terrorist (Waitress)
- Wren Roberts - Terrorist 1
- Nicole Bilderback - Brin / X5-734
- Robert Gossett - James McGinnis
- John Dennis Johnston - Maj. Jake Sanders
- Harsh Nayyar - Mr. Sivapathasindaram
- Rick Dobran - Julio
- Gustavo Febres - Fico
- Chris Duggan - Brig Guard 2
- Joey Aresco - Captain Dale Swanstrom
- Brian Markinson - Dr. Sam Carr
- P.J. Johal - Technician
- D. Neil Mark - Checkpoint Cop 2
- Marcus Sim - Teenager 1
- Aaron Joseph - Teenager 2
- Scantone Jones - Cop
- Donny Lucas - Paramedic
- Rob Freeman - Sergeant
- Rob Freeman - TAC OP Kalins
- Rob Freeman - TAC Officer 1
- Rob Freeman - Lieutenant
- Lucia Walters - Nurse
- James Kidnie - Gerhardt Bronck
- Mack 10 - Tacoma Bleed
- José Vargas - Jorge
- Link Baker - Sven
- Thomas Hunt - D'Nardis
- Jim Shield - Bronck Goon
- Bethoe Shirkoff - Mrs. Moreno
- Patrick Kilpatrick - Red Five
- Alex Zahara - Johanssen
- Mark Gibbon - Red Six
- Kendall Saunders - Brittannica
- Peter Scoular - Bellman
- Jodelle Ferland - Annabelle
- Nancy Sivak - Mary Jo
- Catherine Lough Haggquist - News Anchor
- Catherine Lough Haggquist - Reporter
- Judith Maxie - Jeanne Breitel
- Dennis P. Kelli - Marshal Lionel Parsons
- Brett Le Bourveau - Cop 2
- Michael Benyaer - Onion Runyon
- Susan Hogan - Aunt Margo
- Samantha Smith - Daphne
- Bridget O'Sullivan - Matronly Woman
- Bob Wilde - Inspector
- Bob Wilde - Silhouetted Figure
- Michael Teigen - Bennett
- David Abbott - Minister
- Tyler Labine - Messenger #2
- Tyler Labine - Cyril
- Harry Rob Bruner - Angelo Biondello
- Gillian Carfra - Woman
- Michael-Ann Connor - Woman At Boarding House
- Carolyne Maraghi - Tia
- Taras Kostyuk - Red Seven
- James Tsai - Neighbor
- Julia Arkos - Tammy
- Rob LaBelle - Manticore Doctor
- Dean Aylesworth - Gas Station Attendant
- Chris Gauthier - Mechanic
- Brenda Bakke - Dr. Adriana Vertes
- Ashley Crow - Trudy
- Scott Heindl - Thug #2
- Scott Heindl - Jack
- Mark Rolston - Herman Colberg
- Kurt Max Runte - Clyde
- Ian Tracey - B.C.
- Salvator Xuereb - Dean
- James Ashcroft - Deputy Hallahan
- Daniel Boileau - Benny
- Alex Carter - Sidney Croal - Synthedyne CEO
- Tangelia Rouse - Diamond Latrell
- Winnie Hung - Maid
- Darrell Lee-Izeard - Bodyguard
- Dee Jay Jackson - Lamar
- Dee Jay Jackson - Gordie
- Robert Floyd - Father Destry
- Jason Diablo - Mr. Scott
- Antonio Cupo - Valet
- Antonio Cupo - Male X5
- Nana Visitor - Elizabeth Renfro
- James Kirk - Young Ben
- Jenn Forgie - Clerk at Coroner's Office
- Glenn Ennis - TAC Officer
- Glenn Ennis - TAC Officer 3
- Colin Lawrence - TAC Officer 2
- Colin Lawrence - TAC OP O'Neill
- Glen Gould - Prisoner
- G. Michael Gray - Dieter
- G. Michael Gray - Traidy
- Rainn Wilson - Phil
- Kevin McNulty - Gil
- Dexter Bell - Snuffy
- Jaren Brandt Bartlett - Kid
- Troy Turi - Thug
- Keith Dallas - O.G.
- Matthew Brevner - Baseball Kid
- Carson - Guy on the Cross
- Lorena Gale - Teacher
- Steve Bacic - Soldier 2
- Kris Pope - Rafer
- Nicki Aycox - Syl
- Brad Loree - Young Soldier
- Brad Loree - Sector Cop 1
- Sean Campbell - Special OP 1
- Daniel Bacon - Silo Technician
- Daniel Bacon - Technician
- Daniel Bacon - Control Room Tech 1
- Michasha Armstrong - Tuck
- Michasha Armstrong - Bodyguard 1
- Yee Jee Tso - Lanky Messenger
- Martin Budny - Tracking Van Tech
- Angela Moore - Nurse Betty
- Angela Moore - Female Beat Cop
- Greg Kean - Male Doctor
- Veena Sood - Female Doctor
- Jamie Bell - Zero
- Brian Drummond - TAC Officer 1
- Brian Drummond - Special OP 2
- Nicki Clyne - Fixit
- Sarah Jane Morris - Ralph
- Grace Park - Female Breeding X5
- Jesse Moss - X6 / Bullett
- Jennifer Jasey - Shelly
- Kevin Conway - Operative at Warehouse
- Chris Kramer - Mike
- Kaare Anderson - Cop 1 (Thug)
- Kaare Anderson - Sector Cop 2
- Colin Cunningham - Transhuman (DAC)
- Adam Henderson - Manticore Doctor
- Craig Veroni - Otto
- Craig Veroni - Airport Security Guard
- Craig Veroni - Soldier 1
- Alana Husband - Female X6
- Andrew Francis - Male X6
- Steve Archer - Tech
- Lisa Calder - Flo
- Claude Duhamel - Clerk
- Josh Byer - Gate Soldier
- Josh Byer - Zed
- Cameron McDonald - Cop
- Connor Widdows - Bugler
- Norman Armour - A Young Sandeman
- Norman Armour - Sleazy Clerk
- Janet Wright - Annie
- Rob deLeeuw - Man
- Rob deLeeuw - Supervisor
- Shawn Stewart - Bloody Fighter 1
- Ken Kirzinger - Bloody Fighter 2
- Michael Sunczyk - Rafe
- Michael Sunczyk - Pick Up Truck Driver
- Leanne Adachi - Computer Tech
- John DeSantis - The Mangler (Miller)
- Dalias Blake - Military Tech
- Brendan Beiser - Blue Collar Husband
- Jane Sowerby - Blue Collar Wife
- John Hainsworth - Skinny Homeless Guy
- Kimani Ray Smith - Bearded Homeless Guy
- Ron Selmour - Brig Guard 1
- Ron Selmour - Dan
- Angela Uyeda - Cop 2
- Oscar Goncalves - Sector Cop 1
- Oscar Goncalves - Sector Cop 3
- John Callander - Prisoner
- John Callander - Motel Clerk
- Ryan DeBoer - X6-252
- Michael David Simms - Police Captain
- Stephen Aberle - Professor Long
- Russell Ferrier - Desk Cop
- Russell Ferrier - Sonny
- Shaker Paleja - Trooper
- Greg Chan - Vendor 2
- Rick Tae - Proprietor
- Zen Lim - Young Chinese
- Raugi Yu - Ticket Taker
- Donald Fong - Dead Chinese 1
- Laara Ong - Dead Chinese 2
- Winston Brown - Bartender
- Darcy Laurie - Dix
- Darcy Laurie - KK
- Darcy Laurie - Ike
- Paul Becker - Male X-5
- Sarah Carter - Katarina
- Lance Gibson - Half Dead
- Lance Gibson - Man on the Street #3
- Todd Stashwick - Sally
- Emily Holmes - Wendy Olsen
- Emily Holmes - Saleswoman
- Emily Holmes - Wendy White
- Travis MacDonald - Bum
- Jillian Marie Hubert - Trina
- Deanne Henry - Serena (Rafer's Mom)
- Leslie Jones - Waitress
- Bobby Stewart - Checkpoint Cop 1
- Bobby Stewart - Sector Cop 1
- Bobby Stewart - Bald Cop
- Jana Ritter - Asha Look-A-Like
- Jaron Albertin - Logan Look-A-Like
- Darren Moore - Man on the Street
- Darren Moore - AA Man
- Darren Moore - Nomlie in Cell
- Darren Moore - Bystander
- French Tickner - Father McAllister
- John Cassini - Blond Cop
- John Mann - British Eddy
- Ryan Robbins - Arnie Haas
- Ryan Robbins - Arnie Haas (uncredited)
- Ian Marsh - Drill Sergeant
- Ian Marsh - Doorman 1
- David Parker - Officer Pearson
- Stephania Ciccone - Mrs. Le Pera
- Mike Dopud - Cop 3
- Garfield Wilson - Gun Happy Cop
- Patrick Gallagher - Hispanic Cop
- Seth Ranaweera - Shashi
- Fred Keating - Buddy Thompson
- Sonya Salomaa - Lux
- Anita Brown - Gill Girl
- Jesse Hutch - Gill Guy
- Jessica Amlee - Brittany
- Kendall Cross - Bitsy
- Darryl Quon - Bouncer
- Claudette Roche - Rita
- Michael Bower - Brain
- Terry Chen - S1W Member
- Noel Callahan - Vid Kid
- Mark Lukyn - Operative 1
- Mark Lukyn - White's Guy
- Mark Lukyn - Tech
- Mark Lukyn - Lieutenant
- Michael Kopsa - Robert Berrisford
- Meghan Ory - Rachel Berrisford
- Simon Longmore - Arcade Cop
- Eric Breker - Agent 1
- Tiffany Lyndall-Knight - TV Commercial
- Micah Gardener - Simon Lehane
- Darren E. Scott - SWAT Guy 2
- Suzanne Ristic - Maid
- Scott Bellis - Lab Tech
- Tony Alcantar - Irving
- Enuka Okuma - Dr. Colleen Harrington
- Sarah Strange - Elizabeth Blanchard
- Peter Williams - Hal
- Jerry Wasserman - Dr. George
- Fiona Hogan - Muriel
- Sarah Cole Burnett - Emma
- Alexander Farquharson - Boy at Gas Line-up
- Ryan Drescher - Tim
- Ben Cotton - Biker at Gas Line-up
- Sharon Heath - Nurse
- Fred Ewanuick - Luke
- Fred Ewanuick - Bird
- Brian Jensen - Mole
- Brian Jensen - Cop at Venue
- Alanis Peart - Second Nurse
- Kwesi Ameyaw - Lab Tech
- Laara Sadiq - Attending Nurse
- Rekha Sharma - Dr. Beverly Shankar
- Rekha Sharma - Beverly Hing (Coroner)
- Ari Solomon - CDC Tech
- Keegan Connor Tracy - Rain
- Sam Witwer - Marrow
- Matthew Currie Holmes - Push
- Donavon Stinson - Bill (Channel 3 News)
- Camille Sullivan - Lida
- Dagmar Midcap - Reporter
- Dagmar Midcap - Newswoman
- Dagmar Midcap - Newscaster
- Birkett Turton - Jonathan
- Juliet Dunn - Desk Nurse
- Carolyn Tweedle - Cat Woman
- Sean Amsing - Wallace
- Miles Meadows - Rollins
- Zak Santiago - Kurt
- Frankie J. Allison - Shakes
- Eliza Norbury - Janis
- Missy Peregrym - Hottie Blood
- David Gianopoulos - Tony Rinaldi
- Simon Burnett - Phalanx Warrior
- Simon Burnett - Purebred 1
- Christopher Gordon - Purebred 2
- Christopher Gordon - Phalanx Warrior
- Tracy Ryan - Mia
- Callum Keith Rennie - Sheriff Lamar
- Laurie Brunetti - Dougie Colantonio
- Gabrielle Rose - Moorehead
- John Juliani - The Boss
- Garwin Sanford - Head Priest
- Louis Chirillo - Bobby No Neck
- Peter Benson - Walter
- Malcolm Stewart - Director Paul Simms
- Devin Douglas Drewitz - Samuel
- Lee Jay Bamberry - Ringmaster
- Aaron Douglas - Clerk
- Jase Anthony Griffith - Operative 2
- Stephen Spender - Security Guard
- Dominika Juillet - Priestess
- Kandyse McClure - Annie Fisher
- Noah Beggs - Detective Krakow
- Gerry Durand - ND Cop
- Sadie Lawrence - Young Widow
- Jorgito Vargas Jr. - Bug
- Paul Moniz de Sa - Uniformed Cop
- L. Harvey Gold - Lawyer
- Mark Burgess - Rev. Caldwell
- David Berner - Host
- Mitchell Kosterman - Lieutenant
- Paul Perri - Senator McKinley
- Darryl Scheelar - Sector Cop 2
- Rick Worthy - Lieutenant Clemente
- Henri Lubatti - C.J.
- Erin Karpluk - Gem
- Amy Dumas - Thula
- Cameron Bright - Johnny
- Jim Thorburn - Steve
- David Haysom - Checkpoint Cop
- Jeffrey Ballard - Dalton
- Alison Matthews - Female Newscaster
- Dion Luther - Reporter
- Dion Luther - Bill Hailey
- Peter Shinkoda - Albino X
- Lori Stewart - Phalanx Warrior
- Steven McMichael - Phalanx Warrior
- Lorin Heath - Cece
- Tahmoh Penikett - ND Cop
- Christine Willes - Church Lady
- Gardiner Millar - Man on the Street #2
- Peter Kent - Security Guard Peter
- Jim Dunn - Intruder
- Natassia Malthe - Redhead at Party
- Sylvesta Stuart - TAC Leader
- Peter Bryant - Bling
- Rob Smith - Pinstriped Suit Man
- Desiree Zurowski - Squatter Mom (uncredited)
- Mike Mitchell - Mule
- Mike Mitchell - Transhuman
- Mike Mitchell - Guard 1
- Guyle Fraizer - Technician
- David Kaye - Sage / Sam Gilan
- Gus Lynch - Mack
- Susan Boyajian - (uncredited)
- Shawn Reis - Red Eight
- Adrian Glynn McMorran - Dylan
- Robert Lewis - Dochnovich
- Ty Olsson - Driver 2000 (uncredited) / Mario
- Angelika Libera - Pretty Redhead
- Danny Dworkis - Detective
- Nicholas Harrison - Cop 1
- John MacCarthy
- Gina Lamar
- Kenneth Biller
- Moira Kirland
- René Echevarria
- Rae Sanchini
- Michael Angeli
- Joel McNeely
Callum Keith Rennie interpreta a Sheriff Lamar en la serie.
Jessica Alba interpreta a Max Guevara en la serie.
Michael Weatherly interpreta a Logan Cale en la serie.
Valarie Rae Miller interpreta a Cynthia McEachin en la serie.
J.C. MacKenzie hace el papel de Reagan Ronald.
Jensen Ackles interpreta a Alec McDowell en la serie.
Kevin Durand interpreta a Joshua en la serie.
Martin Cummins hace el papel de Ames White.
Richard Gunn interpreta a Calvin Theodore en la serie.
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