Patric Knowles as Private Detective Jerry Church

Lionel Atwill as Dr. Fish

Anne Gwynne as Kit Logan Church

Mantan Moreland as Horatio B.Fitz Washington

Samuel S. Hinds as Dudley Crispin

Mona Barrie as Eileen Crispin

Shemp Howard as Det. Sgt. Sweeney

Paul Cavanagh as John Crispin

Edmund MacDonald as Det. Capt. Bill Hurd

John Gallaudet as Ernie Paul

William Gould as Dist. Atty. Mason

Leyland Hodgson as Thomas, the butler

Matty Fain as Tony Zarini

Mary Gordon as Mrs. Scott

Selmer Jackson as Judge

Jan Wiley as Lily