Cast 34

1. 

   John Carradine

   Dr. Sigmund Walters

2. 

   Evelyn Ankers

   Beth Colman

3. 

   Milburn Stone

   Fred Mason

4. 

   Lloyd Corrigan

   John Whipple

5. 

   Fay Helm

   Nurse Strand

6. 

   Martha Vickers

   Dorothy Colman

7. 

   Acquanetta

   Paula Dupree, the Ape Woman

8. 

   Vince Barnett

   Curly

9. 

   Paul Fix

   Gruen

10. 

    Fred Aldrich

    Roustabout (uncredited)

11. 

    Clyde Beatty

    Fred Mason (in long shots) (archive footage / uncredited)

12. 

    Turhan Bey

    End Narrator (voice)(uncredited)

13. 

    Eddie Borden

    Dock Spectator (uncredited)

14. 

    Ray Corrigan

    Cheela the Gorilla (uncredited)

15. Russell Custer

    Curley (uncredited)

16. 

    Fern Emmett

    Beth's Murdered Neighbor (uncredited)

17. Virginia Engels

    Trapeze Artist (uncredited)

18. Alexander Gill

    Waiter (uncredited)

19. Gus Glassmire

    Coroner (uncredited)

20. Joel Goodkind

    Small Boy (uncredited)

21. 

    William Gould

    Sheriff (uncredited)

22. Al Haskell

    Al (uncredited)

23. 

    Harry Holman

    Dock Ticket Office Clerk

24. 

    Tom London

    Ship's Captain (archive footage)

25. Charles McAvoy

    Cop (uncredited)

26. 

    Frank Mitchell

    Handler (uncredited)

27. 

    Charles Morton

    Dock Worker (uncredited)

28. 

    Edward Peil Sr.

    Jake - Handler (uncredited)

29. 

    Stanley Price

    Man on Dock (uncredited)

30. Joey Ray

    Attendant (uncredited)

31. 

    Cap Somers

    Roustabout (uncredited)

32. 

    Ray Walker

    Ringmaster (uncredited)

33. 

    Anthony Warde

    Tony - Handler (uncredited)

34. 

    Grant Withers

    Veterinarian (uncredited)

Crew 25