导演 Pen Tennyson

Captain Tom Armitage Clive Brook

Lieutenant Cranford John Clements

Captain Eckersley Edward Chapman

Lucy Armitage Judy Campbell

Mabel Penelope Dudley-Ward

Mr. Matthews Edward Rigby

Commander Blount Allan Jeayes

Dot Michael Wilding

Lt. Commander Martin Harold Warrender

Captain Sandeman David Hutcheson

Bates George Carney

Knowles Al Millen

Walker Charles Farrell

Gates John Laurie

Parker George Benson

Minesweeper Skipper Hay Petrie

His Mate Mervyn Johns

Commander U.37 Albert Lieven

Commander Deutschland John Wengraf

Merchantman Skipper Edward Lexy

Mate John Glyn-Jones

German Captain John Boxer

Edmonds John Carol

Bit Part Alec Clunes

U-Boat Officer Anton Diffring

Hawkins Derek Elphinstone

Bosun's Mate Alf Goddard

Sutton 斯图尔特·格兰杰

Signals Yeoman Bryan Herbert

Holt Patrick Holt

Admiral James Knight

Mary Hogan Maire O'Neill

Peacock - Wardroom Steward Charles Rolfe

Sailor Harry Terry

'Shorty' Howard Charles Williams

Gunnery Officer (uncredited) Howard Lang