Alfred Hitchcock

Director

Ingrid Bergman

Dr. Constance Petersen

Gregory Peck

John Ballantine

Michael Chekhov

Dr. Alexander Brulov

Leo G. Carroll

Dr. Murchison

Rhonda Fleming

Mary Carmichael

John Emery

Dr. Fleurot

Norman Lloyd

Mr. Garmes

Bill Goodwin

House Detective

Steven Geray

Dr. Graff

Donald Curtis

Harry

Wallace Ford

Stranger in Hotel Lobby

Art Baker

Det. Lt. Cooley

Regis Toomey

Det. Sgt. Gillespie

Paul Harvey

Dr. Hanish

Jean Acker

Matron (uncredited)

Irving Bacon

Railway Gateman (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)

Erskine Sanford

Dr. Galt (uncredited)

Dave Willock

Bellboy (uncredited)

Richard Bartell

Ticket Taker (uncredited)

Harry Brown

Gateman (uncredited)

Joel Davis

John Ballantine as a Boy (uncredited)

Janet Scott

Norma Cramer (uncredited)

Clarence Straight

Secretary at Police Station (uncredited)