Robert Cummings

Steve Harper

Bud Abbott

Abbott

Lou Costello

Costello

Mary Boland

Aunt Kitty Marblehead

William Frawley

Roscoe

Peggy Moran

Mickey Fitzgerald

Leo Carrillo

Escobar

Don Alvarado

Rodolfo

Nina Orla

Nina

Richard Carle

James G. Moore

Eddie Acuff

First S.S. Atlantica Steward (uncredited)

William Alston

Orchestra Leader (uncredited)

Brooks Benedict

Croupier (uncredited)

Harry C. Bradley

Mr. Moore's Doctor (uncredited)

Tyler Brooke

First Man Polled by Jim (uncredited)

Ralph Brooks

Nightclub Patron (uncredited)

Edgar Dearing

Cop with Black Eye (uncredited)

Mina Farragut

Dancer in San Marcos (uncredited)

Vivien Fay

Dancer (uncredited)

Charlie Hall

Second S.S. Atlantica Steward (uncredited)

Kathleen Howard

Judge McCracken (uncredited)

Kay Leslie

Native Girl (uncredited)

Jerry Mandy

Hot Dog Vendor (uncredited)

Francis McDonald

Escobar's Aide (uncredited)

Harold Miller

Nightclub Patron (uncredited)

Charles Murphy

Drunk in Court (uncredited)

William H. O'Brien

Joe, Club Roscoe Waiter (uncredited)

Barnett Parker

Thompson, Steve's Butler (uncredited)

Sally Payne

Woman with Second Man Polled by Jim (uncredited)

Frank Penny

Waiter (uncredited)

Theodore Rand

Dancer in San Marcos (uncredited)

Cyril Ring

Club Roscoe Maitre d' (uncredited)

Larry Steers

Apartment Desk Clerk (uncredited)

Denny Sullivan

Cab Driver (uncredited)

Russell Wade

Nightclub Patron (uncredited)

Katherine Yorke

Amused woman (uncredited)