Super-Sleuth

Jack Oakie

Bill Martin

Ann Sothern

Mary Strand

Eduardo Ciannelli

Professor Herman

Edgar Kennedy

Police Lt. Garrison

Joan Woodbury

Doris Duane, a film actress

Bradley Page

Ralph Waring

Paul Guilfoyle

Gibbons, a film director

Willie Best

Warts, Martin's manservant

Alec Craig

Eddie - Doorman

Paul Hurst

Motorcycle Cop

Fred Kelsey

Jailer

Robert Emmett O'Connor

Casey

Wally Albright

Child movie fan

Bobby Barber

Photographer

Bud Jamison

Man whose beard catches fire

Leona Roberts

Mrs. Abbington

Ronald R. Rondell

Nightclub headwaiter

Richard Lane

Barker