
When Norwegian resistance leader Lieutenant Erik Bergman reports the location of a German V-2 rocket fuel plant, the Royal Air Force's 633 Squadron is assigned the mission to destroy it. The plant is in a seemingly-impregnable location beneath an overhanging cliff at the end of a long, narrow fjord lined with anti-aircraft guns. The only way to destroy the plant is by collapsing the cliff on top of it.
Genres:

Cliff Robertson as Wing Commander Roy Grant

George Chakiris as Lieutenant Erik Bergman

Maria Perschy as Hilde Bergman

Harry Andrews as Air Vice-Marshal Davis

Donald Houston as Group Captain Don Barrett

Michael Goodliffe as Squadron Leader Frank Adams

John Meillon as Flight Lieutenant Gillibrand

John Bonney as Flight Lieutenant Scott

Angus Lennie as Flying Officer Hoppy Hopkinson

Scot Finch as Flying Officer Bissell

John Church as Flying Officer Evans

Barbara Archer as Rosie, barmaid at the Black Swan Inn

Sean Kelly as Lieutenant Nigel

Julian Sherrier as Flight Lieutenant Singh

Geoffrey Frederick as Flight Lieutenant Frank

Johnny Briggs as Lieutenant Jones

Suzan Farmer as WAAF Sergeant Mary Blake / Bissell

Anne Ridler as SS Interrogator

Peter Kriss as Lieutenant Maner (uncredited)

Cavan Malone as Ericson, Norwegian Resistance (uncredited)

Richard Shaw as Johanson, Norwegian Resistance (uncredited)
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