Mystery House

Dick Purcell

Lance O'Leary

Ann Sheridan

Nurse Sarah Keate

Anne Nagel

Gwen Kingery

William Hopper

Lal Killian

Anthony Averill

Julian Barre

Dennie Moore

Annette

Hugh O'Connell

Newell Morse

Ben Welden

Gerald Frawley

Sheila Bromley

Terice Von Elm

Elspeth Dudgeon

Aunt Lucy Kingery

Anderson Lawler

Joe Page

Trevor Bardette

Bruker

Loia Cheaney

O'Leary's Secretary (Uncredited)

Stuart Holmes

Jury Foreman (Uncredited)

Jack Mower

The Coroner (Uncredited)

Paul Panzer

Extra at Inquest (Uncredited)

Eric Stanley

Hubert Kingery (Uncredited)

Jean Benedict

Helen Page (Uncredited)

Jack L. Warner

Executive Producer

Hal B. Wallis

Executive Producer

Howard Shoup

Costume Design

Howard Jackson

Original Music Composer

L. William O'Connell

Director of Photography

Sherman L. Lowe

Screenplay

Robertson White

Screenplay

Frank Magee

Editor

Stanley Fleischer

Art Direction

Noel M. Smith

Director

Mignon G. Eberhart

Novel

Chuck Hansen

Assistant Director

Leslie G. Hewitt

Sound