Super-Sleuth
Diễn viên
Fred Kelsey
Jailer
Robert Emmett O'Connor
Casey
Ronald R. Rondell
Nightclub headwaiter
Richard Lane
Barker
Edgar Kennedy
Police Lt. Garrison
Alec Craig
Eddie - Doorman
Bobby Barber
Photographer
Leona Roberts
Mrs. Abbington
Eduardo Ciannelli
Professor Herman
Joan Woodbury
Doris Duane, a film actress
Bradley Page
Ralph Waring
Bud Jamison
Man whose beard catches fire
Jack Oakie
Bill Martin
Paul Guilfoyle
Gibbons, a film director
Willie Best
Warts, Martin's manservant
Wally Albright
Child movie fan
Ann Sothern
Mary Strand