- Robin Givens - Jada Jet
- Sandy Robson - Captain
- Shalyn Ferdinand - Crows Tech
- Jason Griffith - GCPD Officer #1
- Julian Paul - GCPD Officer #2
- Alex Kliner - Elderly Man
- Austin Eckert - Crows Agent #2
- Dakota Daulby - Cheshire Cat
- Fritzy-Klevans Destine - Male Cadet
- Roger Wiggins - Gazette Employee
- Amber Taylor - Little Girl
- Ryan Hesp - Crows Agent #1
- Bobby Magee - Retired Man
- Ellie King - Retired Woman
- Demord Dann - EMT
- Michelle Lefler - Woman Party Emplyee
- Luke Sykes - Cute Guy
- Kelly McCabe - Injured Crow Guard
- Christopher Pearce - Security Guard
- Giles Panton - Catherine's Man
- Kate Gajdosik - News Reporter
- Loretta Walsh - Roxanna
- Jim Pirri - Bertrond Eldon / The Executioner
- Matthew Graham - Dean Deveraux
- Kheon Clarke - Chris 'The First' Medlock
- Mark Gibbon - Angu Stanton
- Phillip Mitchell - Stu Donnelly
- Brent Fidler - Judge Raymond Calverick
- Ish Morris - Crows Agent Vasquez
- Andrew Creightney - Security Guard Drew
- Garfield Wilson - The Rifle
- Guido Furlani - Alessandro
- Zen Lim - Derek Holcomb
- Ted Cole - Administrator
- Devon Slack - Technical Crows Agent #2
- Brandon Routh - Ray Palmer / The Atom / Clark Kent / Superman
- Candice Patton - Iris West
- Elizabeth Tulloch - Lois Lane
- Tyler Hoechlin - Clark Kent / Superman
- Melissa Benoist - Kara Danvers / Supergirl
- Caity Lotz - Sara Lance / White Canary
- Katherine McNamara - Mia Smoak
- Dominic Purcell - Mick Rory / Heat Wave
- Jon Cryer - Lex Luthor
- Greyston Holt - Tyler
- Kareem Malcolm - Crows Agent #1
- Adam Ballantyne - Rabbit
- Jay Clift - GCPD Officer
- Tom Cavanagh - Harrison 'Nash' Wells (uncredited)
- Matt Ryan - John Constantine
- Tom Welling - Clark Kent (Earth-167)
- Erica Durance - Lois Lane
- Audrey Marie Anderson - Lyla Michaels / Harbinger
- Stephen Amell - Oliver Queen / Green Arrow
- Grant Gustin - Barry Allen / The Flash
- Johnathon Schaech - Jonah Hex
- Kevin Conroy - Bruce Wayne / Batman
- Wentworth Miller - Leonard A.I. (voice)
- Matthew W. Allen - Gazette Reporter
- LaMonica Garrett - Mar Novu / The Monitor
- Kurtis Szarka - Slam Bradley
- Janelle Beadall - Female Student #1
- Marlowe Percival - Male Student #1
- Shelby Armstrong - Female Student #2
- Simon C. Hussey - Passenger
- Alan O'Silva - Russian Hacker
- Nicholas Holmes - Young Johnny
- Ryan Rosery - Bryan Akins
- Jason William Day - Technical Crows Agent #1
- Jason William Day - Clown
- Gage Marsh - Steven Forbes
- Brendon Zub - Chuck Dodgson
- Kayla Ewell - Nocturna / Natalia Knight
- Alessandra Torresani - Duela Dent
- Sebastian Roché - Dr. Ethan Campbell
- Jeryl Prescott - Diane Moore
- Debra Mooney - Mabel Cartwright
- Michelle Morgan - Gabi Kane
- Seth Whittaker - Reggie Harris
- John Emmet Tracy - August Cartwright
- Kwesi Ameyaw - Judge Wellington
- Clare Filipow - Faux-Batwoman
- Melanie Rose Wilson - Aria
- Amanda May - Interrogator
- Ron Selmour - Trafficker
- Amber Lewis - Elle Scantlin
- Kate Isaac - Evelyn Dent
- Nathan Witte - Agent Robles
- Viv Leacock - Bobby Reeves
- Bri Neal - Veronica May / Myrtis Dinker
- Taylor Hui - Kimberly Wright
- Wesley Salter - Dr. Malone
- Blair Penner - George Adler
- Terrence Terrell - Tim 'The Titan' Teslow
- Sean Kuling - Agent Whelan
- Sean Kuling - Crows Agent
- Wyatt Cameron - False Face
- Wyatt Cameron - Kane Crew Stunt Agent
- Shaw Madson - Carl - Wayne Tower Concierge
- Philip Granger - Coach Donahue
- Carmine Giovinazzo - Johnny Sabatino
- Gabriel Mann - Tommy Elliot
- Brianne Howey - Reagan
- Rachel Matthews - Margot Pye / Magpie
- Alex Zahara - Dr. Butler
- Bruce Harwood - Professor Darby
- Austin Anozie - Apollo Teslow
- Janet Glassford - Nurse Janet
- Andrew Moxham - Official
- Marcus Aurelio - Ski Mask
- Peter Grasso - Landlord
- Rhys Williams - Wonderland Member
- Cherilynn Fulbright - Bat Fan
- Troy Mclaughlin - Clinic Nurse
- Richard Bradshaw - Cashier
- Brent Connolly - Lookout
- Mike Kovac - Werewolf-Guy
- Cassandra Ebner - Amy
- Frank Cassini - Vin Capalaci
- Joel McGowan - Tech
- Linda Kash - Candice Lady / Candy Lady
- Ava Augustin - Young Ryan Wilder
- Kerensa Cooper - Young Angelique
- Matt Reimer - Hamilton Employee
- Matt Reimer - Gas Mask
- Matt Reimer - Glock
- Bola Omodara - Agent
- Bola Omodara - Agent Abara
- Bola Omodara - Crows Agent
- Aason Nadjiwan - Tipster / Rudy / Panda
- Gig Morton - College Student
- Nykeem Provo - Male Chemist
- Riley Davis - Student-Volunteer
- Scott Pocha - The Pike
- Mark Krysko - Barfly
- Matthew Mandzij - Co-Pilot
- Doug Chapman - Driver
- RJ Fetherstonhaugh - Aaron Hellzinger
- Rochelle Okoye - Pretty Woman
- Rochelle Okoye - Chrome Mask
- Paolo Maiolo - Dr. Rafael Rodriguez
- James Hibbard - Elderly Male
- Trae Maridadi - Young Boy
- Chris Shields - Mayor Michael Akins
- Chris Shields - Mayor Akins
- Alison Matthews - Doctor
- Matthew Montgomery - Frazzled Intern
- Taylor Tai - Brute #1
- Tom Lim - Tony Kim
- Shakura S'Aida - Cora Lewis
- Milo Shandel - Dr. Ethan Rogers
- Erin Morgan - Woman
- Janene Carleton - Dire-Flail
- Christina Wolfe - Julia Pennyworth
- Sean Kohnke - Brute #2
- Sean Kohnke - Mickey K / Kilovolt
- Nathaniel Shuker - Guy Fawkes
- Tommy Europe - Hockey Mask
- Mathew Yanagiya - Attending Nurse #2
- Mathew Yanagiya - False Face Sentry
- Chad Bellamy - Plague Doctor
- Sabrina Miniaci - Crows Agent #1
- Tyson Arner - Dealer / Young Man
- Tyson Arner - Ogre Mask
- Jaime M. Callica - Horten Spence
- Derek Morrison - Ellis O'Brien
- Andrew McNee - Jackson Charles
- Rebecca Davis - Susan Stevens
- Rebecca Davis - Parole Officer
- Sean Owen Roberts - Porcelain Mask
- Bevin Bru - Angelique Martin
- Jessica Garcie - Crows Lab Tech
- Christian Sloan - Patchwork
- Morgan Kohan - Stephanie Brown
- Rick Miller - Arthur Brown / Cluemaster
- Joshua Mazerolle - Prison Guard
- Cameron McDonald - Commissioner Forbes
- Faith Wright - Volunteer
- Edward Ruttle - Richard
- Samantha Cole - Imani
- Alex Stines - Devil
- Alex Stines - Masked Man
- Alex Stines - The Rapier
- Jesse Hutch - Russell Tavaroff
- Jesse Hutch - Attending Nurse #1
- Eric Breker - Officer Smith
- James Kot - Officer Medina
- Lisa Chandler - Woman in Alley
- Violet Cameron - Desk Officer
- Neil Charlesworth - GCPD Officer #1
- Leo Chiang - Orderly
- Leo Chiang - Arkham Orderly #1
- Sherilyn Allen - Press #1
- Sherilyn Allen - Journalist #2
- Lisa Huynh - Woman in Church
- Neetu Garcha - Reporter #1
- Neetu Garcha - Anchorwoman
- Neetu Garcha - Journalist #1
- Warren Christie - Tommy Elliot
- Warren Christie - Bruce Wayne
- Laura Mennell - Dr. Evelyn Rhyme / Enigma
- Brady Roberts - Crows Agent #1
- Linda Minard - Doctor #1
- Bernie Yao - EMT #1
- Darryl Scheelar - IA Agent
- Peter Outerbridge - Roman Sionis / Black Mask
- Ian Rozylo - Agent Miller
- Shivani Ghai - Safiyah Sohail
- Klarc Jerome Wilson - GCPD Officer
- Klarc Jerome Wilson - GCPD Officer #2
- Leah Gibson - Tatiana / The Whisper
- Wallis Day - Kate Kane / Circe Sionis
- Arpad Balogh - Man
- T.J. Riley - Janus Security Guard
- Gardiner Millar - GCPD Captain
- Gardiner Millar - GCPD SWAT Captain
- Nelson Wong - Accountant
- Lex Mayson - Drinking Buddy #1
- Madonna Gonzalez - Drinking Buddy #4
- Paul Lazenby - GCPD Officer
- Gracyn Shinyei - Young Kate
- Ava Sleeth - Young Beth
- John Shaw - Parole Board Official
- Brodie Henson - Rioter #1
- Chezca Vega - Rioter #2
- Raf Rogers - Volunteer
- Cooper Bibaud - Trucker
- Cooper Bibaud - Teardrop
- Jake Foy - Dad
- Benjamin Jacobson - Son
- Lisa Solberg - Mother
- Keeya King - Jordan Moore
- Amitai Marmorstein - Liam Crandle / Mad Hatter
- Sharon Taylor - Mayor Hartley
- Sebastian Greaves - Drunk Guy #1
- Tanner Bornowsky - Drunk Guy #2
- John Prowse - Dr. Hall
- Levi Wall - Custodian
- Malcolm Masters - Detective (Kevin)
- Seth Ranaweera - Therapist
- Cynthia Loewen - Therapy Patient #1
- Alistair Abell - Mason
- Keira Jang - Amber
- Sawyer Nicholson - Derek
- Naiah Cummins - Task Force Liason
- Nevis Unipan - Whitney
- Jilena Cori - Whitney's Mom
- Jennifer Cheon - Head Mercenary
- Donny Lucas - Lucius Fox A.I. (voice)
- Donny Lucas - Garrett Hall
- Donny Lucas - Helmet A.I. (voice)
- June B. Wilde - Dee Smithy
- Jennifer Higgin - Nora Fries
- Michael Bell - Staffer
- Jeff Gonek - Business Man
- Tom Lenk - Charlie Clarke
- Shaquan Lewis - Terry
- Nigel Vonas - Watchman
- Jared Ager-Foster - Man
- Navid Charkhi - Roving Photographer
- Rob Nagle - Lazlo Valentin / Professor Pyg
- Victoria Dunsmore - Zoey
- Christian Darrel Scott - Marquis Age 13 / 16
- Kevin Mundy - Franklin
- Guy Fauchon - Damien / Butler
- Josh Blacker - Virgil
- Josh Collins - Chris Hayner
- Hugo Raymundo - Baddie #3
- Hugo Raymundo - Staffer
- Lily Yawson - Detective #1
- Cameron Forbes - Detective #2
- Niki Garcia - Teenager #2
- Jaycie Dotin - Hematologist
- Dalias Blake - Dead Security Guard
- Lucy McNulty - Bartender
- Jonathan Vellner - Fisherman #1
- Jonathan Vellner - Mangled Figure
- Jonathan Vellner - Skull Mask Mob #1
- Lucas Penner - Jason
- David Ramsey - John Diggle
- Ken Godmere - Hotel Manager
- Jess Brown - Nearby Woman
- Ryan Handley - Security #1
- Brad Abramenko - Fisherman #2
- Adam Lolacher - Hunter
- Kaare Anderson - Harold
- Bridget Regan - Pamela Isley / Poison Ivy
- Nick Hunnings - EMT Driver
- Darby Steeves - EMT Medic
- Rachel Maddow - Vesper Fairchild (voice)
- Alex Morf - Victor Zsasz
- Michael Tiernan - Arkham Chairman
- Sam Littlefield - Mouse
- Nathan Owens - Ocean
- Judy Reyes - Kiki Roulette
- Nathan Dashwood - Joker
- Christine Chatelain - Samantha
- Jeffrey Pai - Miles
- Samantha Ferris - Director of the GCPA
- Mason McKenzie - Noah
- Glenn Ferguson - Jeremiah Arkham
- Marcio Barauna - Mario Falcone
- Todd Matthews - Press #3
- Allison Riley - Dana Dewitt
- Nickolas Baric - Pilot
- Lance Birley - Abraham
- Russell Porter - Detective Watson
- Victoria Cartagena - Renee Montoya
- Natalie Abrams
- Bill Finger
- Bob Kane
- David Rapaport
- Candice Elzinga
- Lyndsey Baldasare
- Carl Ogawa
- Jennifer Lence
- Holly Dale
- Blake Neely
- Sherri Chung
Wentworth Miller interpreta a Leonard A.I. (voice) en la serie.
Javicia Leslie hace el papel de Ryan Wilder / Batwoman.
Rachel Skarsten interpreta a Alice / Beth Kane en la serie.
Meagan Tandy interpreta a Sophie Moore en la serie.
Nicole Kang hace el papel de Mary Hamilton.
Camrus Johnson interpreta a Luke Fox en la serie.
Nick Creegan hace el papel de Marquis Jet.
Robin Givens interpreta a Jada Jet en la serie.
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