 Burt LancasterJ.J. Hunsecker | J.J. Hunsecker |
 Tony CurtisSidney Falco | Sidney Falco |
 Susan HarrisonSusan Hunsecker | Susan Hunsecker |
 Martin MilnerSteve Dallas | Steve Dallas |
 Jeff DonnellSally | Sally |
 Sam LeveneFrank D' Angelo | Frank D' Angelo |
 Joe FriscoHerbie Temple | Herbie Temple |
 Barbara NicholsRita | Rita |
 Emile MeyerLt. Harry Kello | Lt. Harry Kello |
 Edith AtwaterMary | Mary |
 Chico HamiltonThe Chico Hamilton Quintet | The Chico Hamilton Quintet |
| PPaul HornThe Chico Hamilton Quintet | The Chico Hamilton Quintet |
| FFred KatzThe Chico Hamilton Quintet | The Chico Hamilton Quintet |
| BBuddy ClarkThe Chico Hamilton Quintet | The Chico Hamilton Quintet |
 Jay AdlerManny Davis (uncredited) | Manny Davis (uncredited) |
| MMary BaylessBar Patron (uncredited) | Bar Patron (uncredited) |
| NNicky BlairToots Shor's Patron (uncredited) | Toots Shor's Patron (uncredited) |
| NNick BorganiWaiter (uncredited) | Waiter (uncredited) |
| RRalph BrooksPatron at 21 (uncredited) | Patron at 21 (uncredited) |
| BBrad BrownPatron at 21 (uncredited) | Patron at 21 (uncredited) |
 Steve CarruthersPatron at 21 (uncredited) | Patron at 21 (uncredited) |
| RRobert CarsonLou (Toots Shor's Headwaiter) (uncredited) | Lou (Toots Shor's Headwaiter) (uncredited) |
 Lewis CharlesAl Evans (uncredited) | Al Evans (uncredited) |
| DDick CherneyToots Shor's Patron (uncredited) | Toots Shor's Patron (uncredited) |
| PPaul CristoToots Shor's Patron (uncredited) | Toots Shor's Patron (uncredited) |
| JJoe Di RedaToots Shor's Patron (uncredited) | Toots Shor's Patron (uncredited) |
 Lawrence DobkinLeo Bartha (uncredited) | Leo Bartha (uncredited) |
| TTom FerrandiniPatron at 21 (uncredited) | Patron at 21 (uncredited) |
 John FiedlerHot Dog Stand Counterman (uncredited) | Hot Dog Stand Counterman (uncredited) |
 Bess FlowersPatron at 21 (uncredited) | Patron at 21 (uncredited) |
