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)