 Dean MartinLarry Todd | Larry Todd |
 Jerry LewisMyron Mertz | Myron Mertz |
 Lizabeth ScottMary Carroll | Mary Carroll |
 Carmen MirandaCarmelita Castinha | Carmelita Castinha |
 George DolenzMr. Cortega | Mr. Cortega |
 Dorothy MaloneRosie | Rosie |
 William ChingTony Warren | Tony Warren |
 Paul MarionRamon Cariso / Francisco Cariso | Ramon Cariso / Francisco Cariso |
 Jack LambertZombie | Zombie |
 Tom PowersPolice Lieutenant | Police Lieutenant |
| TTony BarrTrigger | Trigger |
 Leonard StrongShorty | Shorty |
 Henry BrandonPierre | Pierre |
 Hugh SandersCop on Pier | Cop on Pier |
 Bess FlowersNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Fred AldrichDockworker (uncredited) | Dockworker (uncredited) |
 Gertrude AstorMan with Spaghetti's Wife (uncredited) | Man with Spaghetti's Wife (uncredited) |
 Chester CluteMan with Spaghetti (uncredited) | Man with Spaghetti (uncredited) |
 Bing CrosbySkeleton (uncredited) | Skeleton (uncredited) |
| JJoe GrayLongshoreman (uncredited) | Longshoreman (uncredited) |
 Earl HollimanElevator Operator (uncredited) | Elevator Operator (uncredited) |
 Bob HopeSkeleton (uncredited) | Skeleton (uncredited) |
 Kenner G. KempNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Harold MillerNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Jane NovakNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Billy DanielDancer (uncredited) | Dancer (uncredited) |
 Percy HeltonMan in Hotel Hallway (uncredited) | Man in Hotel Hallway (uncredited) |
| TTom ColemanMan in Hotel Hallway (uncredited) | Man in Hotel Hallway (uncredited) |
| HHerschel GrahamNightclub Patron (uncredited) | Nightclub Patron (uncredited) |
 Lyle LatellShip Captain (uncredited) | Ship Captain (uncredited) |
