Trailer
Cast
Ronald Leigh-Hunt
Clynes
Richard Marner
German Guard (uncredited)
Nancy Nevinson
German Frau (uncredited)
John Forrest
Lieutenant Hans "'Grassy' Green" Kringling
Vincent Ball
Higgins (uncredited)
Ed Devereaux
Webber (uncredited)
Derek Aylward
Stagehand (uncredited)
Norman Shelley
Fred Whittaker
James Robertson Justice
Sir Ernest "Lieutenant M.J. Farrow, RN" Pease, KBE, FRS
Archie Duncan
Scottish Captain (uncredited)
Frederick Piper
Scientist in Corridor
Steve Plytas
Luftwaffe Officer
Joseph Fürst
Luftwaffe Interrogator
Peter Myers
Flying Officer P.R. Shaw
Stanley Baxter
Flying Officer S. "Jock" Everett / Major Stamfel
Jeremy Lloyd
Flight Lieutenant J.J. "Bonzo" Baines, DFC
Fred Haggerty
German Guard (uncredited)
Colin Gordon
Briggs
Jean Cadell
Mrs. MacDougall
Brian Oulton
Scientist in Corridor
David Webb
Prisoner of War (uncredited)
Eric Sykes
Sports Officer Willoughby
Richard Wattis
Entertainments Officer Woodcock
Norman Bird
Senior British Officer Travers
John Le Mesurier
Escape Officer Piggott
Ronnie Stevens
Hankley
Leslie Phillips
Flying Officer Jimmy Cooper