Allan Jones as Jim Moore

Nancy Kelly as Cynthia Merrick

Robert Cummings as Steve Harper

Bud Abbott as Abbott

Lou Costello as Costello

Mary Boland as Aunt Kitty Marblehead

William Frawley as Roscoe

Peggy Moran as Mickey Fitzgerald

Leo Carrillo as Escobar

Don Alvarado as Rodolfo

Nina Orla as Nina

Richard Carle as James G. Moore

Eddie Acuff as First S.S. Atlantica Steward (uncredited)

William Alston as Orchestra Leader (uncredited)

Brooks Benedict as Croupier (uncredited)

Harry C. Bradley as Mr. Moore's Doctor (uncredited)

Tyler Brooke as First Man Polled by Jim (uncredited)

Ralph Brooks as Nightclub Patron (uncredited)

Edgar Dearing as Cop with Black Eye (uncredited)

Mina Farragut as Dancer in San Marcos (uncredited)

Vivien Fay as Dancer (uncredited)

Charlie Hall as Second S.S. Atlantica Steward (uncredited)

Kathleen Howard as Judge McCracken (uncredited)

Kay Leslie as Native Girl (uncredited)

Jerry Mandy as Hot Dog Vendor (uncredited)

Francis McDonald as Escobar's Aide (uncredited)

Harold Miller as Nightclub Patron (uncredited)

Charles Murphy as Drunk in Court (uncredited)

William H. O'Brien as Joe, Club Roscoe Waiter (uncredited)

Barnett Parker as Thompson, Steve's Butler (uncredited)

Sally Payne as Woman with Second Man Polled by Jim (uncredited)

Frank Penny as Waiter (uncredited)

Theodore Rand as Dancer in San Marcos (uncredited)

Cyril Ring as Club Roscoe Maitre d' (uncredited)

Larry Steers as Apartment Desk Clerk (uncredited)

Denny Sullivan as Cab Driver (uncredited)

Russell Wade as Nightclub Patron (uncredited)

Katherine Yorke as Amused woman (uncredited)