| Ben McKenzie | James Gordon |
| Donal Logue | Harvey Bullock |
| David Mazouz | Bruce Wayne |
| Morena Baccarin | Leslie Thompkins |
| Sean Pertwee | Alfred Pennyworth |
| Robin Lord Taylor | Oswald Cobblepot /
Penguin |
| Erin Richards | Barbara Kean
(credit only) |
| Camren Bicondova | Selina Kyle |
| Cory Michael Smith | Edward Nygma |
| James Frain | Theo Galavan |
| Jessica Lucas | Tabitha Galavan |
| Chris Chalk | Lucius Fox
(credit only) |
| Drew Powell | Butch Gilzean |
| Nicholas D'Agosto | Harvey Dent |
| Michael Chiklis | Nathaniel Barnes |
| Anthony Carrigan | Victor Zsasz |
| Chelsea Spack | Kristen Kringle |
| Natalie Alyn Lind | Silver St. Cloud |
| Lucas Salvagno | Sal Martinez |
| Ian Quinlan | Carl Pinkney |
| Carol Kane | Gertrude Kapelput |
| Alex Corrado | Gabe |
| Alberto Bonilla | TV Pundit |
| Sergei Ashurov | Dead Cop
(uncredited) |
| Jonathan Ercolino | Waiter
(uncredited) |
| Cal Koury | Gilzean Henchman
(uncredited) |
| Kevin D. McGee | Political Event Attendee
(uncredited) |
| Mark Quiles | Medic
(uncredited) |
| Tioka Bernard Schluter IV | Penguin Lookalike
(uncredited) |
| Adam Tomlinson | Drury Walker
(uncredited) |
| Kelly P. Williams | Gotham City Police
(uncredited) |