 | Robert De Niro | | Jake La Motta |
| Cathy Moriarty | | Vickie La Motta |
| Joe Pesci | | Joey |
| Frank Vincent | | Salvy |
| Nicholas Colasanto | | Tommy Como |
| Theresa Saldana | | Lenore |
| Mario Gallo | | Mario |
| Frank Adonis | | Patsy |
| Joseph Bono | | Guido |
| Frank Topham | | Toppy |
| Lori Anne Flax | | Irma |
| Charles Scorsese | | Charlie - Man with Como |
| Don Dunphy | | Self - Radio Announcer for Dauthuille Fight |
| Bill Hanrahan | | Eddie Eagan |
| Rita Bennett | | Emma - Miss 48's |
| James V. Christy | | Dr. Pinto |
| Bernie Allen | | Comedian |
| Floyd Anderson | | Jimmy Reeves - Reeves Fight |
| Gene LeBell | | Ring Announcer - Reeves Fight |
| Harold Valan | | Referee - Reeves Fight |
| Victor Magnotta | | Fighting Soldier - Reeves Fight |
| Johnny Barnes | | Sugar Ray Robinson - First Robinson Fight |
| John Thomas | | Trainer - First Robinson Fight |
| Kenny Davis | | Referee - First Robinson Fight |
| Paul Carmello | | Ring Announcer - First Robinson Fight |
| Jimmy Lennon Sr. | | Ring Announcer - Second Robinson Fight and Dauthuille Fight |
| Bobby Rings | | Referee - Second Robinson Fight |
| Kevin Mahon | | Tony Janiro - Janiro Fight |
| Marty Denkin | | Referee - Janiro Fight |
| Shay Duffin | | Ring Announcer - Janiro Fight |
| Eddie Mustafa Muhammad | | Billy Fox - Fox Fight |
| Dick Whittington | | Ring Announcer - Fox Fight |
| Jack Lotz | | Referee - Fox Fight |
| Kevin Breslin | | Heckler - Fox Fight |
| Louis Raftis | | Marcel Cerdan - Cerdan Fight |
| Frank Shain | | Ring Announcer - Cerdan Fight |
| Coley Wallace | | Joe Louis - Cerdan Fight |
| Fritzie Higgins | | Woman with Vickie - Cerdan Fight |
| George Latka | | Referee - Cerdan Fight |
| Fred Dennis | | Cornerman #1 - Cerdan Fight |
