Lewis Gilbert Director Alec Guinness Captain Crawford Actor Dirk Bogarde Lieut. Scott-Padget Actor Maurice Denham Mr. Goss Actor Nigel Stock Senior Midshipman Kilpatrick Actor Richard Carpenter Lieut. Ponsonby Actor Peter Gill Lieut. D'Arblay Actor David Robinson Midshipman Harvey Crawford Actor Robin Stewart Midshipman Pardoe Actor Ray Brooks Hayes Actor Peter Greenspan Johnson Actor Anthony Quayle Vizard Actor Tom Bell Evans Actor Murray Melvin Percival Wagstaffe Actor Victor Maddern Bosun Dawlish Actor Bryan Pringle Marine Sgt. Kneebone Actor Johnny Briggs Wheatley Actor Brian Phelan Grimshaw Actor Towe Townley Seaman "Silly Billy" Whiting Actor Declan Mulholland Morrison Actor Walter Fitzgerald Admiral Jackson Actor Joy Shelton Mrs. Crawford Actor Anthony Oliver Tavern Leader Actor Russell Napier Flag Captain Actor Michael Coles Flag Lieutenant Actor André Maranne Colonel Giraud Actor John Brabourne Producer Nigel Kneale Screenwriter Edmund H. North Screenwriter Clifton Parker Original Music Christopher Challis Cinematographer Peter Hunt Film Editing Arthur Lawson Art Director