 Tony CurtisJoe Martini | Joe Martini |
 Gilbert RolandSylvio Malatesta | Sylvio Malatesta |
 Marisa PavanAnna Malatesta | Anna Malatesta |
 Jay C. FlippenSgt. Jack Gillen | Sgt. Jack Gillen |
 Argentina BrunettiMama Malatesta | Mama Malatesta |
 Ted de CorsiaLt. Kilrain | Lt. Kilrain |
 Richard MondaPietro "Peanuts" Malatesta | Pietro "Peanuts" Malatesta |
 Kathleen FreemanRosa Cuneo | Rosa Cuneo |
 Herb VigranCharlie Cuneo | Charlie Cuneo |
 Peggy MaleyVeda Pinelli | Veda Pinelli |
 John CliffFather Giuseppe | Father Giuseppe |
 Russ ConwayDet. Sgt. Sommers | Det. Sgt. Sommers |
| CChico VejarFrankie Pellatrini | Frankie Pellatrini |
 Tito VuoloGrocer | Grocer |
 Helen WallaceMother Catherine | Mother Catherine |
| JJames HylandFrank Wilkins | Frank Wilkins |
 Bobby BarberParty Guest (uncredited) | Party Guest (uncredited) |
 Richard BenedictPool Player (uncredited) | Pool Player (uncredited) |
 Audrey BetzParty Guest (uncredited) | Party Guest (uncredited) |
| NNina BorgetParty Guest (uncredited) | Party Guest (uncredited) |
 Chet BrandenburgCounterman (uncredited) | Counterman (uncredited) |
| MMary ChanRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
| SSpencer ChanRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
| WW.T. ChangRestaurant Patron (uncredited) | Restaurant Patron (uncredited) |
| PPaul CristoParty Guest (uncredited) | Party Guest (uncredited) |
 Jimmy DimeDiner Patron (uncredited) | Diner Patron (uncredited) |
| SSam FinnBoxing Match Spectator (uncredited) | Boxing Match Spectator (uncredited) |
| RRaoul FreemanChaperone at Dance (uncredited) | Chaperone at Dance (uncredited) |
| JJoe GarcioParty Guest (uncredited) | Party Guest (uncredited) |
 Chuck HamiltonCop (uncredited) | Cop (uncredited) |
