Cast 24

1. 

   Terence Morgan

   Inspector Ralph Brown

2. 

   Yolande Donlan

   Jill Wilson

3. Anthony Oliver

   Inspector Newcombe

4. 

   André Morell

   Robert Isaac Pitt

5. 

   Reginald Beckwith

   Harold

6. 

   Ursula Howells

   Antonia Pitt

7. Guido Lorraine

   Pietr Revski

8. 

   Basil Dignam

   Wing Commander Riddle

9. Raymond Rollett

   Sir Robert Rosper

10. 

    Fred Johnson

    Professor Robinson-Heston

11. 

    Arnold Marlé

    Karl Kopek

12. Mark Dignam

    Prison Governor

13. 

    John Horsley

    Assistant Commissioner

14. Barry Lowe

    Eric Colter

15. Diana Lambert

    Young Woman

16. Petra Davies

    Pitt's Maid (uncredited)

17. Brown Derby

    Police Sergeant (uncredited)

18. Michael Godfrey

    Chertwell Security Guard (uncredited)

19. Arthur Lovegrove

    Nick (uncredited)

20. Louis Matto

    Waiter (uncredited)

21. Guy Mills

    Brown's Driver (uncredited)

22. Stuart Mitchell

    Head Waiter (uncredited)

23. 

    Jim Brady

    Nick's Thug (uncredited)

24. Cyril Renison

    Detective Sergeant Enders (uncredited)

Crew 5