Full Credits
21 members

Cliff Robertson
Wing Commander Roy Grant

George Chakiris
Lieutenant Erik Bergman

Maria Perschy
Hilde Bergman

Harry Andrews
Air Vice-Marshal Davis

Donald Houston
Group Captain Don Barrett

Michael Goodliffe
Squadron Leader Frank Adams

John Meillon
Flight Lieutenant Gillibrand

John Bonney
Flight Lieutenant Scott

Angus Lennie
Flying Officer Hoppy Hopkinson
Scot Finch
Flying Officer Bissell
John Church
Flying Officer Evans
Barbara Archer
Rosie, barmaid at the Black Swan Inn
Sean Kelly
Lieutenant Nigel
Julian Sherrier
Flight Lieutenant Singh
Geoffrey Frederick
Flight Lieutenant Frank

Johnny Briggs
Lieutenant Jones

Suzan Farmer
WAAF Sergeant Mary Blake / Bissell
Anne Ridler
SS Interrogator
Peter Kriss
Lieutenant Maner (uncredited)
Cavan Malone
Ericson, Norwegian Resistance (uncredited)
Richard Shaw
Johanson, Norwegian Resistance (uncredited)
19 members
Walter Grauman
Director
Ted Sturgis
Assistant Director
Connie Willis
Continuity
James Clavell
Screenplay
Howard Koch
Screenplay
Frederick E. Smith
Novel
Cecil F. Ford
Producer
Edward Scaife
Director of Photography
Jack Atcheler
Camera Operator
Arthur Evans
Still Photographer
John Wilcox
Additional Photography
Ron Goodwin
Music
John Bramall
Sound Recordist
Teddy Mason
Sound Editor
J.B. Smith
Sound Recordist
Michael Stringer
Production Design
Mickey Lennon
Dressing Prop
Bert Bates
Editor
Tom Howard
Special Effects