 | Tom Hardy als Al Capone |
 | Linda Cardellini als Mae |
 | Matt Dillon als Johnny |
 | Kyle MacLachlan als Doctor Karlock |
 | Kathrine Narducci als Rosie |
 | Jack Lowden als Crawford |
 | Noel Fisher als Junior |
 | Tilda Del Toro als Mona Lisa |
 | Al Sapienza als Ralphie |
 | Mason Guccione als Tony |
 | Jhemma Ziegler als Betty |
 | Rose Bianco als Nanna |
 | Wayne Pére als Director Nordhoff |
 | Gino Cafarelli als Gino |
 | Manuel Fajardo als Zambini |
| Christopher Bianculli als Young Tony |
 | Edgar Arreola als Rodrigo |
| CG Lewis als Young Goon |
 | David Wachs als Dying Goon |
 | Josh Trank als Agent Harris |
 | Neal Brennan als Harold Mattingly |
 | Jason Edwards als Drunk Dancing Man |
| Caiden Acurio als Vince |
| Mason Rozas als Danny |
| Emma Kathryn Coleman als Gabi |
| Tara Foy als Roberta |
| Reed Luckett Wiley als Mysterious Man #1 |
| Troy Warren Anderson als Louis Armstrong |
| Andreanna L. Jenson als Nurse Lianne |
 | Cameron Stout als FBI Agent (uncredited) |
| Lawrence Bender | Producer |
| Peter Deming | Director of Photography |
| Stephen Altman | Production Design |
| Ron McLeod | Executive Producer |
| Ron McLeod | Unit Production Manager |
| Rian Johnson | Thanks |
| El-P | Original Music Composer |
| Kelly Cole | Sound Re-Recording Mixer |
| Peter Epstein | Stunts |
| Bill Mellow | Sound Re-Recording Mixer |
| Andrea von Foerster | Music Supervisor |
| Stacy Kelly | Makeup Department Head |
| Josh Trank | Director |
| Josh Trank | Editor |
| Josh Trank | Writer |
| Diane H. Newman | Script Supervisor |
| Alice Baker | Set Decoration |
| Simon Hansen | Visual Effects Supervisor |
| Aaron L. Gilbert | Producer |
| Garrick Dion | Co-Executive Producer |
| Jeremy Woolsey | Art Direction |
| Amy Westcott | Costume Design |
| Chelsea Bruland | Stunt Coordinator |
| Ali Jazayeri | Executive Producer |
| Steffany Bernstein | Costume Supervisor |
| Jill Broadfoot | Assistant Set Decoration |
| Jason Cloth | Executive Producer |
| Will Files | Sound Designer |
| Jessica Stumpf | Set Designer |
| Jay Wejebe | Prosthetic Makeup Artist |
| Bailey Domke | Makeup Artist |
| Courtney Lether | Makeup Artist |
| Sandra Portman | Supervising Sound Editor |
| P.K. Hooker | Sound Designer |
| Tapio Liukkonen | Foley Artist |
| Tony Ward | Hair Department Head |
| Audrey Doyle | Makeup Designer |
| Audrey Doyle | Prosthetic Designer |
| Jonathan Parham | Sound Mixer |
| Spencer Davison | Assistant Art Director |
| Aviv Giladi | Executive Producer |
| Brenda Gilbert | Co-Executive Producer |
| Steven Thibault | Executive Producer |
| Chris Conover | Executive Producer |
| Matthias Mellinghaus | Co-Producer |
| Tomas Deckaj | Co-Producer |
| Tomas Deckaj | First Assistant Director |
| David Gendron | Executive Producer |
| Mike Paprocki | Sound Effects Editor |
| Wendy Yang | Assistant Costume Designer |
| Ryan Putz | Boom Operator |
| Russell Ackerman | Producer |
| John Schoenfelder | Producer |
| Wicus Labuschagne | Visual Effects Producer |
| Scott Bowers | Second Assistant Director |
| Kevin Morales | Sound Effects Editor |
| Anjay Nagpal | Executive Producer |
| Adhrucia Apana | Executive Producer |
| Andrea Spring | Co-Executive Producer |
| Lana C. Mora | Makeup Artist |
