Allied prisoners of various nationalities pool their resources to plan numerous escapes from an "escape-proof" German P.O.W. camp housed in a Medieval castle.

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Main Cast: John Mills, Eric Portman, Frederick Valk, Denis Shaw, Lionel Jeffries, Christopher Rhodes, Richard Wattis, Ian Carmichael, Bryan Forbes, Theodore Bikel

Director: Guy Hamilton

Writers: Ivan Foxwell, Guy Hamilton, William Douglas-Home

Editor: Peter Mayhew

Cinematographer: Gordon Dines

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