Ingrid Bergman
Dr. Constance Petersen
Acting
Gregory Peck
John Ballantine
Acting
Leo G. Carroll
Dr. Murchison
Acting
Michael Chekhov
Dr. Alexander Brulov
Acting
John Emery
Dr. Fleurot
Acting
Steven Geray
Dr. Graff
Acting
Paul Harvey
Dr. Hanish
Acting
Erskine Sanford
Dr. Galt (uncredited)
Acting
Norman Lloyd
Mr. Garmes
Acting
Donald Curtis
Harry
Acting
Rhonda Fleming
Mary Carmichael
Acting
Bill Goodwin
House detective
Acting
Art Baker
Det. Lt. Cooley
Acting
Regis Toomey
Det. Sgt. Gillespie
Acting
Wallace Ford
Hotel masher
Acting
Jean Acker
Matron (uncredited)
Acting
Irving Bacon
Railway Gateman (uncredited)
Acting
Richard Bartell
Ticket Taker (uncredited)
Acting
Harry Brown
Gateman (uncredited)
Acting
Joel Davis
John Ballantine as a Boy (uncredited)
Acting
Jacqueline deWit
Nurse (uncredited)
Acting
Edward Fielding
Dr. Anthony Edwardes (uncredited)
Acting
Alfred Hitchcock
Man Leaving Elevator (uncredited)
Directing
Teddy Infuhr
John Ballantine's Brother (uncredited)
Acting
Victor Kilian
Sheriff (uncredited)
Acting
George Meader
Hallett - Railroad Clerk (uncredited)
Acting
Matt Moore
Policeman at Train Station (uncredited)
Acting
Constance Purdy
Dr. Brulov's Housekeeper (uncredited)
Acting
Addison Richards
Police Captain (uncredited)
Acting
Janet Scott
Norma Cramer (uncredited)
Acting
Clarence Straight
Secretary at Police Station (uncredited)
Acting
Dave Willock
Bellboy (uncredited)
Acting