Cast 32

1. 

   Ingrid Bergman

   Dr. Constance Petersen

2. 

   Gregory Peck

   John Ballantine

3. 

   Michael Chekhov

   Dr. Alexander Brulov

4. 

   Leo G. Carroll

   Dr. Murchison

5. 

   Rhonda Fleming

   Mary Carmichael

6. 

   John Emery

   Dr. Fleurot

7. 

   Norman Lloyd

   Mr. Garmes

8. 

   Bill Goodwin

   House detective

9. 

   Steven Geray

   Dr. Graff

10. 

    Donald Curtis

    Harry

11. 

    Wallace Ford

    Hotel masher

12. 

    Art Baker

    Det. Lt. Cooley

13. 

    Regis Toomey

    Det. Sgt. Gillespie

14. 

    Paul Harvey

    Dr. Hanish

15. 

    Jean Acker

    Matron (uncredited)

16. 

    Irving Bacon

    Railway Gateman (uncredited)

17. Richard Bartell

    Ticket Taker (uncredited)

18. Harry Brown

    Gateman (uncredited)

19. Joel Davis

    John Ballantine as a Boy (uncredited)

20. 

    Jacqueline deWit

    Nurse (uncredited)

21. 

    Edward Fielding

    Dr. Anthony Edwardes (uncredited)

22. 

    Alfred Hitchcock

    Man Leaving Elevator (uncredited)

23. 

    Teddy Infuhr

    John Ballantine's Brother (uncredited)

24. 

    Victor Kilian

    Sheriff (uncredited)

25. 

    George Meader

    Hallett - Railroad Clerk (uncredited)

26. 

    Matt Moore

    Policeman at Train Station (uncredited)

27. 

    Constance Purdy

    Dr. Brulov's Housekeeper (uncredited)

28. 

    Addison Richards

    Police Captain (uncredited)

29. 

    Erskine Sanford

    Dr. Galt (uncredited)

30. Janet Scott

    Norma Cramer (uncredited)

31. Clarence Straight

    Secretary at Police Station (uncredited)

32. 

    Dave Willock

    Bellboy (uncredited)

Crew 20