 Paul NewmanEddie Felson | Eddie Felson |
 Jackie GleasonMinnesota Fats | Minnesota Fats |
 Piper LaurieSarah Packard | Sarah Packard |
 George C. ScottBert Gordon | Bert Gordon |
 Myron McCormickCharlie Burns | Charlie Burns |
 Murray HamiltonFindley | Findley |
 Michael ConstantineBig John | Big John |
 Stefan GieraschPreacher | Preacher |
| CClifford A. PellowTurk | Turk |
 Jake LaMottaBartender | Bartender |
| GGordon B. ClarkeCashier | Cashier |
| AAlexander RoseScore Keeper | Score Keeper |
 Carolyn CoatesWaitress | Waitress |
| CCarl YorkYoung Hustler | Young Hustler |
 Vincent GardeniaBartender | Bartender |
 Willie MosconiWillie (uncredited) | Willie (uncredited) |
| WWilliam AdamsOld Doctor (uncredited) | Old Doctor (uncredited) |
| TTom AhearneBartender (uncredited) | Bartender (uncredited) |
 Charles AndreWaiter at Parisien Restaurant (uncredited) | Waiter at Parisien Restaurant (uncredited) |
| DDon Crabtree(uncredited) | (uncredited) |
| GGloria CurtisGirl with Fur Coat (uncredited) | Girl with Fur Coat (uncredited) |
| RRobert Daget(uncredited) | (uncredited) |
 Don De LeoAnother Player (uncredited) | Another Player (uncredited) |
 Charles DierkopPool Room Hood (uncredited) | Pool Room Hood (uncredited) |
 William DuellBilly (uncredited) | Billy (uncredited) |
| JJames DukasKibitzer (uncredited) | Kibitzer (uncredited) |
| BBrendan FayPlayer (uncredited) | Player (uncredited) |
| LLarry Gaynes(uncredited) | (uncredited) |
| JJack Healy(uncredited) | (uncredited) |
 Hoke Howell(uncredited) | (uncredited) |
