Ingrid Bergman

Dr. Constance Petersen

Gregory Peck

John Ballantine

Leo G. Carroll

Dr. Murchison

Michael Chekhov

Dr. Alexander Brulov

John Emery

Dr. Fleurot

Steven Geray

Dr. Graff

Paul Harvey

Dr. Hanish

Erskine Sanford

Dr. Galt (uncredited)

Norman Lloyd

Mr. Garmes

Donald Curtis

Harry

Rhonda Fleming

Mary Carmichael

Bill Goodwin

House detective

Art Baker

Det. Lt. Cooley

Regis Toomey

Det. Sgt. Gillespie

Wallace Ford

Hotel masher

Jean Acker

Matron (uncredited)

Irving Bacon

Railway Gateman (uncredited)

Richard Bartell

Ticket Taker (uncredited)

Harry Brown

Gateman (uncredited)

Joel Davis

John Ballantine as a Boy (uncredited)

Jacqueline deWit

Nurse (uncredited)

Edward Fielding

Dr. Anthony Edwardes (uncredited)

Alfred Hitchcock

Man Leaving Elevator (uncredited)

Teddy Infuhr

John Ballantine's Brother (uncredited)

Victor Kilian

Sheriff (uncredited)

George Meader

Hallett - Railroad Clerk (uncredited)

Matt Moore

Policeman at Train Station (uncredited)

Constance Purdy

Dr. Brulov's Housekeeper (uncredited)

Addison Richards

Police Captain (uncredited)

Janet Scott

Norma Cramer (uncredited)

Clarence Straight

Secretary at Police Station (uncredited)

Dave Willock

Bellboy (uncredited)

Alfred Hitchcock

Director

Lowell J. Farrell

Asistente de Dirección

Charles Barton

Second Unit Director

Ben Hecht

Guión, Guión Adaptado

Angus MacPhail

Guión Adaptado

Francis Beeding

Novela

Hilary St George Saunders

Novela

John Palmer

Novela

George Barnes

Director de Fotografía

Miklós Rózsa

Compositor de la Música Original

Arthur Johns

Sound

David O. Selznick

Productor

Selznick International Pictures

Compañía de Produccion

Richard Johnston

Production Manager

Fred Ahern

Unit Manager

James Basevi

Dirección Artística

Salvador Dalí

Dirección Artística

Emile Kuri

Interior Designer

John Ewing

Assistant Art Director

Jack Cosgrove

Special Effects

Clarence Slifer

Special Effects

Richard DeWeese

Sound Recordist