 Steve McQueenEric Stoner ("The Cincinnati Kid") | Eric Stoner ("The Cincinnati Kid") |
 Edward G. RobinsonLancey Howard | Lancey Howard |
 Ann-MargretMelba Nile | Melba Nile |
 Karl MaldenShooter | Shooter |
 Tuesday WeldChristian Rudd | Christian Rudd |
 Joan BlondellLady Fingers | Lady Fingers |
 Rip TornWilliam Jefferson Slade | William Jefferson Slade |
 Jack WestonPig | Pig |
 Cab CallowayYeller | Yeller |
 Jeff CoreyHoban | Hoban |
 Theo MarcuseFelix | Felix |
 Milton SelzerSokal | Sokal |
 Karl SwensonMr. Rudd | Mr. Rudd |
 Émile GenestCajun | Cajun |
 Ron SobleDanny | Danny |
 Irene TedrowMrs. Rudd | Mrs. Rudd |
 Midge WareMrs. Slade | Mrs. Slade |
 Dub TaylorDealer | Dealer |
| AAndy AlbinReferee (uncredited) | Referee (uncredited) |
| LLeon AltonPoker Game Spectator (uncredited) | Poker Game Spectator (uncredited) |
| JJohn BartonSpectator at Cockfight (uncredited) | Spectator at Cockfight (uncredited) |
| JJames J. CasinoPoker Player (uncredited) | Poker Player (uncredited) |
 William ChalleeOld Man (uncredited) | Old Man (uncredited) |
 Noble 'Kid' ChissellBar Patron (uncredited) | Bar Patron (uncredited) |
 Gene CooganPoker Game Spectator (uncredited) | Poker Game Spectator (uncredited) |
| MMimi DillardSlade's Girlfriend (uncredited) | Slade's Girlfriend (uncredited) |
 Robert DoQuiPhilly (uncredited) | Philly (uncredited) |
| LLarry DuranGambler (uncredited) | Gambler (uncredited) |
| DDaniel ElamWaiter (uncredited) | Waiter (uncredited) |
| GGeorge FordPoker Game Spectator (uncredited) | Poker Game Spectator (uncredited) |
