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

Pamela Blake

Elora Lund

Paul E. Burns

Edward Stillwell

Kathleen Howard

Rose Denning

Harlan Briggs

Mr. Brown

Jessie Arnold

Woman in Window (Uncredited)

Jack Carrington

Bartender (Uncredited)

Eddy Chandler

Cop in Squad Car (Uncredited)

William Castle

Director

Eric Taylor

Screenplay

Philip Tannura

Director of Photography

George Duning

Original Music Composer

Wilbur Hatch

Original Music Composer

Dwight Caldwell

Editor

Rudolph C. Flothow

Producer

Eric Taylor

Story

J.S. Westmoreland

Sound Mixer

Mischa Bakaleinikoff

Music Director

Jack Haynes

Sound

Mario Castelnuovo-Tedesco

Additional Music