Reparto 13

1. 

   Yul Brynner

   Victor Fabian

2. 

   Kay Kendall

   Dolly Fabian

3. 

   Geoffrey Toone

   Dr. Richard Hilliard

4. Maxwell Shaw

   Jascha Gendel / Grisha Gendel

5. 

   Mervyn Johns

   Mr. Alonzo Wilbur Jr.

6. 

   Martin Benson

   Luigi Bardini

7. Harry Lockart

   Chester

8. 

   Gregory Ratoff

   Maxwell Archer

9. 

   Shirley Anne Field

   Angela Hooper

10. 

    Colin Drake

    Doctor (uncredited)

11. 

    Andrew Faulds

    Interviewer (uncredited)

12. Barbara Hall

    Secretary (uncredited)

13. Grace Newcombe

    Mrs. Wilbur (uncredited)

Equipo 20