 | John Cena | Christopher Smith / Peacemaker |
 | Danielle Brooks | Leota Adebayo |
 | Freddie Stroma | Adrian Chase / Vigilante |
 | Chukwudi Iwuji | Clemson Murn |
 | Jennifer Holland | Emilia Harcourt |
 | Steve Agee | John Economos |
 | Robert Patrick | August 'Auggie' Smith / White Dragon |
 | Annie Chang | Sophie Song |
 | Lochlyn Munro | Larry Fitzgibbon |
 | Andy Samberg | Patrick "Eel" O'Brian / Plastic Man |
 | Mark Strong | Mitchell Mayo / Condiment King |
 | Jason Momoa | Arthur Curry / Aquaman (uncredited) |
 | Ezra Miller | Barry Allen / The Flash (uncredited) |
 | Nhut Le | Judomaster |
 | Viola Davis | Amanda Waller (uncredited) |
 | Rochelle Greenwood | Peggy |
 | Kevin O'Grady | Johnson |
 | Neil Webb | Cool Steve |
 | Bzhaun Rhoden | Young Man |
 | Zak Santiago | Prison Guard |
 | Troy Anthony Young | Terrified Man |
| Quinn Bennett | Young Chris | |
 | Liam Hughes | Keith |
 | Brad Abramenko | Clark Kent / Superman (uncredited) |
| Cynthia Oroz | Nurse | |
 | Elizabeth Faith Ludlow | Keeya Adebayo |
 | Lissa Neptuno | Doctor |
 | Dee Bradley Baker | Eagly (voice) |
 | Christopher Heyerdahl | Caspar Locke |
| Kimberley von Ilberg | Diana Prince / Wonder Woman (uncredited) |
Movie/TV Show Reviews:
