| Ben McKenzie | James Gordon |
| Donal Logue | Harvey Bullock |
| David Mazouz | Bruce Wayne |
| Morena Baccarin | Leslie Thompkins
(credit only) |
| Sean Pertwee | Alfred Pennyworth |
| Robin Lord Taylor | Oswald Cobblepot /
Penguin |
| Erin Richards | Barbara Kean |
| Camren Bicondova | Selina Kyle |
| Cory Michael Smith | Edward Nygma /
The Riddler
(credit only) |
| Jessica Lucas | Tabitha Galavan |
| Chris Chalk | Lucius Fox
(credit only) |
| Drew Powell | Solomon Grundy
(credit only) |
| Crystal Reed | Sofia Falcone |
| Alexander Siddig | Ra's al Ghul
(credit only) |
| Michael Cerveris | Professor Pyg |
| Kelcy Griffin | Harper |
| Kyle Vincent Terry | Headhunter |
| Tommy Nelson | Brant Jones |
| Samia Finnerty | Grace Blomdhal |
| Gordon Winarick | Tommy Elliot |
| Krista Braun | Jennifer Luree |
| Scotty Crowe | News Guy |
| Angelo Berkowitz | Detective Ruseckas |
| Sulekha Ebelle | Officer Patel |
| John Bianco | Head Demon |
| James Augustus Lee | Guard Demon |
| Andrew Anderson | Secondary Demon |
| D.K. Bowser | Chief Delivery Guy
(as DK Bowser) |
| Jennifer C. Johnson | Patsy |
| Mick O'Rourke | Patsy's Husband |
| Midori Francis | Emma Hsueh |
| Akintola Jiboyewa | Bouncer |
| Ramon O. Torres | Waiter |
| Jolie Rose Wasserman | June |
| Gregory Konow | Beat Cop |
| Omar Scroggins | Thief |
| Laura Aguinaga | Terrified Wife |
| Marina Benedict | Cherry
(uncredited) |
| Jacqueline Honulik | Waitress
(uncredited) |
| Preston Lopez | GCPD Cop
(uncredited) |
| Judy Malka | Gotham Citizen
(uncredited) |
| Kevin D. McGee | GCPD Officer
(uncredited) |
| Amy Novondo | GCPD Officer
(uncredited) |
| Billy Peck | Strike Force
(uncredited) |
| Paul Varacchi | Penguin's Goon
(uncredited) |
| Xiren Wang | Club Manse DJ
(uncredited) |
| Kelly P. Williams | Gotham City Police
(uncredited) |