Bud Abbott

Character: Slim

Lou Costello

Character: Tubby

Boris Karloff

Character: Dr. Henry Jekyll / Mr. Hyde

Craig Stevens

Character: Bruce Adams

Helen Westcott

Character: Vicky Edwards

Reginald Denny

Character: Inspector

John Dierkes

Character: Batley

Eddie Parker

Character: Mr. Hyde (uncredited)

Patti McKaye

Character: Can-can dancer

Betty Tyler

Character: Can-can dancer

Lucille Lamarr

Character: Can-can dancer

Dante De Paolo

Character: Specialty dancer

Carmen De Lavallade

Character: Javanese dancer

Maisay Kawasuma

Character: Javanese dancer

Henry Coden

Character: Javanese actor

Marjorie Bennett

Character: Militant woman

Isabelle Dwan

Character: Mrs. Penprase

James Fairfax

Character: Mr. Penprase

Harry Wilson

Character: Man Asking for Match

Harry Cording

Character: Rough Character in the Park