Mysterious Intruder

Richard Dix Don Gale

Barton MacLane Detective Taggart

Nina Vale Joan Hill, Gale's Secretary

Regis Toomey James Summers

Helen Mowery Freda Hanson

Mike Mazurki Harry Pontos

Pamela Blake Elora Lund

Charles Lane Detective Burns

Paul E. Burns Edward Stillwell

Kathleen Howard Rose Denning

Harlan Briggs Mr. Brown

Jessie Arnold Woman in Window (Uncredited)

Stanley Blystone Henry (Uncredited)

Jack Carrington Bartender (Uncredited)

Eddy Chandler Cop in Squad Car (Uncredited)

Kernan Cripps Kelly (Uncredited)

Edith Evanson Mrs. Ward (Uncredited)

Otto Forrest The Whistler (Voice) (Uncredited)

Martín Garralaga Detective (Uncredited)

Selmer Jackson Dr. Connell (Uncredited)