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