Cliff Robertson
Wing Commander Roy Grant
Acting
George Chakiris
Lieutenant Erik Bergman
Acting
Maria Perschy
Hilde Bergman
Acting
Harry Andrews
Air Vice-Marshal Davis
Acting
Donald Houston
Group Captain Don Barrett
Acting
Michael Goodliffe
Squadron Leader Frank Adams
Acting
John Meillon
Flight Lieutenant Gillibrand
Acting
John Bonney
Flight Lieutenant Scott
Acting
Angus Lennie
Flying Officer Hoppy Hopkinson
Acting
Scot Finch
Flying Officer Bissell
Acting
John Church
Flying Officer Evans
Acting
Barbara Archer
Rosie, barmaid at the Black Swan Inn
Acting
Sean Kelly
Lieutenant Nigel
Acting
Julian Sherrier
Flight Lieutenant Singh
Acting
Geoffrey Frederick
Flight Lieutenant Frank
Acting
Johnny Briggs
Lieutenant Jones
Acting
Suzan Farmer
WAAF Sergeant Mary Blake / Bissell
Acting
Anne Ridler
SS Interrogator
Acting
Peter Kriss
Lieutenant Maner (uncredited)
Acting
Cavan Malone
Ericson, Norwegian Resistance (uncredited)
Acting
Richard Shaw
Johanson, Norwegian Resistance (uncredited)
Acting