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)