Dean Martin as Larry Todd

Jerry Lewis as Myron Mertz

Lizabeth Scott as Mary Carroll

Carmen Miranda as Carmelita Castinha

George Dolenz as Mr. Cortega

Dorothy Malone as Rosie

William Ching as Tony Warren

Paul Marion as Ramon Cariso / Francisco Cariso

Jack Lambert as Zombie

Tony Barr as Trigger

Leonard Strong as Shorty

Henry Brandon as Pierre

Hugh Sanders as Cop on Pier

Bess Flowers as Nightclub Patron (uncredited)

Fred Aldrich as Dockworker (uncredited)

Gertrude Astor as Man with Spaghetti's Wife (uncredited)

Chester Clute as Man with Spaghetti on Head (uncredited)

Bing Crosby as Skeleton (uncredited)

Joe Gray as Longshoreman (uncredited)

Earl Holliman as Elevator Operator (uncredited)

Bob Hope as Skeleton (uncredited)

Kenner G. Kemp as Nightclub Patron (uncredited)

Harold Miller as Nightclub Patron (uncredited)

Jane Novak as Nightclub Patron (uncredited)

Billy Daniel as Dancer

Percy Helton as Man in Hotel Hallway (uncredited)

Tom Coleman as Man in Hotel Hallway (uncredited)

Herschel Graham as Nightclub Patron (uncredited)

Lyle Latell as Ship Captain (uncredited)

Manuel París as Cuban Headwaiter (uncredited)

Dick Winslow as Nightclub Patron (uncredited)

Ernö Verebes as Headwaiter (uncredited)

Cosmo Sardo as Man in Hotel Hallway (uncredited)

Ric Roman as Gangster (uncredited)

Suzanne Ridgway as Night Club Patron (uncredited)

Waclaw Rekwart as Nightclub Patron (uncredited)

Tom Powers as Police Lieutenant (uncredited)

Danny Arnold as Gangster (uncredited)

Frank Branda as Gangster (uncredited)

Jimmie Dundee as Ship Steward/Porter (uncredited)

Charles Evans as Man Next to Spaghetti Customer (uncredited)

Franklyn Farnum as Passerby (uncredited)

Charles Flynn as Policeman (uncredited)

Jesslyn Fax as Woman in Hotel Hallway (uncredited)

Frank Fontaine as Drunk on Pier (uncredited)

Herb Golden as Gangster (uncredited)

Sam Harris as Nightclub Patron (uncredited)

Richard Karlan as Gangster (uncredited)

Nolan Leary as Policeman (uncredited)

Jack Low as Sam - Trunk Mover (uncredited)

Wilbur Mack as Ship Passenger (uncredited)

Alphonse Martell as Maitre d'

Thomas Martin as Waiter (uncredited)

David O. McCall as Nightclub Patron (uncredited)

Frank McLure as Nightclub Patron

Belle Mitchell as Zombie's Mother (uncredited)

Robin Morse as Gangster (uncredited)

Murray Pollack as Ship Passenger (uncredited)

José Portugal as Ship Passenger (uncredited)