| 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 |
| Camren Bicondova | Selina Kyle |
| Cory Michael Smith | Edward Nygma /
The Riddler |
| Jessica Lucas | Tabitha Galavan |
| Chris Chalk | Lucius Fox
(credit only) |
| Alexander Siddig | Ra's al Ghul |
| Damian Young | Warden Reed |
| Maggie Geha | Ivy Pepper |
| Charlie Tahan | Jonathan Crane |
| Michael Maize | Grady |
| Michael Buscemi | Merton |
| Larry Pine | Mayor Burke |
| Anthony Carrigan | Victor Zsasz |
| Joanne Nosuchinsky | TV Reporter |
| Decater James | Detective Mason |
| Andrew Sellon | Mr. Penn |
| Harry Sutton Jr. | Commissioner |
| Terrence Shingler | GCPD Cop |
| Ken Wulf Clark | Crook |
| Alberto Vazquez | Bodega Owner |
| Ken Forman | Bank Manager |
| Garrett Richmond | Merton Gang #1 |
| Antino Crowley-Kamenwati | Merton Gang #2 |
| Nicky Schmidlein | Reporter #1 |
| Scotty Crowe | Reporter #2 |
| Leila Almas Rose | Bride
(as Leila Almas) |
| Joe Feldman-Barros | Groom |
| Jim Ng | Dark Figure |
| Amanda Anthony | Iceberg Lounge Patron
(uncredited) |
| Roger Brenner | Gotham City Paramedic
(uncredited) |
| Justin Clarke | Jewel Thief
(uncredited) |
| Kevin Dang | Iceberg Lounge Patron
(uncredited) |
| Rosemary Howard | Bridal Party Attendee
(uncredited) |
| Neil J. Letendre | Wedding Singer
(uncredited) |
| Preston Lopez | GCPD Cop
(uncredited) |
| Victoria Mahal-Sky | Wedding Guest
(uncredited) |
| Lil Malinich | GCPD Detective
(uncredited) |
| Judy Malka | Gotham Citizen
(uncredited) |
| Robert Lil Bob McCall | Little Person Monster
(uncredited) |
| Kevin D. McGee | GCPD Officer
(uncredited) |
| Amy Novondo | GCPD Officer
(uncredited) |
| Mick O'Rourke | Patsy's Husband
(uncredited) |
| Eddy Toru Ohno | Hooded Figure /
Old Man
(uncredited) |
| Daniela Reina | Gotham Patron
(uncredited) |
| Genoveva Rossi | Guest
(uncredited) |
| Stuart Schnitzer | Core Desk Sergeant
(uncredited) |
| Keli Solomon | Bridal Party Attendee
(uncredited) |
| Kelly P. Williams | Gotham City Police
(uncredited) |