| Ben McKenzie | James Gordon |
| Donal Logue | Harvey Bullock |
| David Mazouz | Bruce Wayne |
| Zabryna Guevara | Sarah Essen |
| Sean Pertwee | Alfred Pennyworth |
| Robin Lord Taylor | Oswald Cobblepot /
Penguin |
| Erin Richards | Barbara Kean |
| Camren Bicondova | Selina Kyle
(credit only) |
| Cory Michael Smith | Edward Nygma |
| Victoria Cartagena | Renee Montoya
(credit only) |
| Andrew Stewart-Jones | Crispus Allen
(credit only) |
| John Doman | Carmine Falcone |
| Jada Pinkett Smith | Fish Mooney
(credit only) |
| David Zayas | Sal Maroni |
| Milo Ventimiglia | Jason Lennon /
The Ogre |
| Morena Baccarin | Leslie Thompkins |
| Drew Powell | Butch Gilzean |
| Chris Chalk | Lucius Fox |
| Chelsea Spack | Kristen Kringle |
| Michael Potts | Sid Bunderslaw |
| Caroline Lagerfelt | Mrs. Kean |
| Richard Poe | Mr. Kean |
| Clark Carmichael | Connor |
| James Andrew O'Connor | Tommy Bones |
| Barbara Rosenblat | Lidia Bicchieri |
| Tonya Glanz | Sally |
| April Yvette Thompson | Lucy |
| Erica Camarano | P.R. Woman |
| Paul Bomba | Cheech |
| Z Infante | Jake
(as Zachary Infante) |
| Brian Distance | Security Guard |
| Johnny Alonso | Kazz the Bass player
(uncredited) |
| Alan Christopher | Brothel Security Guard
(uncredited) |
| Michael Armand DeMatteo | Conner sideman
(uncredited) |
| Agron Karameti | Pizza Man
(uncredited) |
| Lawrence J Murphy | Brothel Security Guard
(uncredited) |
| Richie Noodles | Gang Member
(uncredited) |
| Shaniqua Whitfield | Dancing Bar Girl
(uncredited) |