Helen

Professor Warren

Mrs. Warren

Dr. Parry

Blanche

Steve Warren

Mrs. Oates

Nurse Barker

Mr. Oates

Constable

Dr. Harvey (uncredited)

Neighbour (uncredited)

Murder Victim (uncredited)

The Killer's 'Shadow' (uncredited)

Starry-eyed Man (uncredited)

The Killer's 'Eye' (uncredited)

Freddy (uncredited)

Desk Clerk (uncredited)

Minister (uncredited)

Director

Director of Photography

Producer

Editor

Editor

Novel

Screenplay

Original Music Composer

Art Direction

Art Direction

Set Decoration

Assistant Director

Sound

Sound

Special Effects

Digital Compositor

Stunts

Music Director

Musician

Production Assistant

Production Manager

Costume Design