Cast 21

1. 

   Cliff Robertson

   Wing Commander Roy Grant

2. 

   George Chakiris

   Lieutenant Erik Bergman

3. 

   Maria Perschy

   Hilde Bergman

4. 

   Harry Andrews

   Air Vice-Marshal Davis

5. 

   Donald Houston

   Group Captain Don Barrett

6. 

   Michael Goodliffe

   Squadron Leader Frank Adams

7. 

   John Meillon

   Flight Lieutenant Gillibrand

8. 

   John Bonney

   Flight Lieutenant Scott

9. 

   Angus Lennie

   Flying Officer Hoppy Hopkinson

10. Scot Finch

    Flying Officer Bissell

11. John Church

    Flying Officer Evans

12. Barbara Archer

    Rosie, barmaid at the Black Swan Inn

13. Sean Kelly

    Lieutenant Nigel

14. Julian Sherrier

    Flight Lieutenant Singh

15. Geoffrey Frederick

    Flight Lieutenant Frank

16. 

    Johnny Briggs

    Lieutenant Jones

17. 

    Suzan Farmer

    WAAF Sergeant Mary Blake / Bissell

18. Anne Ridler

    SS Interrogator

19. Peter Kriss

    Lieutenant Maner (uncredited)

20. Cavan Malone

    Ericson, Norwegian Resistance (uncredited)

21. Richard Shaw

    Johanson, Norwegian Resistance (uncredited)

Crew 19