Reparto 21

1. 

   Anton Diffring

   Dr. Schuler

2. 

   Erika Remberg

   Elissa Caro

3. 

   Yvonne Monlaur

   Nicole Vanet

4. 

   Donald Pleasence

   Vanet

5. 

   Jane Hylton

   Angela

6. 

   Kenneth Griffith

   Martin

7. 

   Conrad Phillips

   Inspector Arthur Ames

8. 

   Jack Gwillim

   Supt. Andrews

9. 

   Vanda Hudson

   Magda von Meck

10. 

    Yvonne Romain

    Melina

11. Colette Wilde

    Evelyn Morley

12. 

    William Mervyn

    Dr. Morley

13. 

    Peter Swanwick

    Inspector Knopf

14. Carla Challoner

    Nicole (as a Child)

15. 

    Kenny Baker

    Dwarf

16. 

    Walter Gotell

    Baron Von Gruber

17. 

    Kenneth J. Warren

    First Roustabout

18. Jack Carson

    Chief Eagle Eye

19. 

    Glyn Houston

    Carnival Barker (uncredited)

20. Reg Thomason

    Roustabout (uncredited)

21. Arthur Dibbs

    Circus Audience Member (uncredited)

Equipo 21