克里夫·布洛克

Clive Brook

饰：Captain Tom Armitage

约翰·克莱门茨

John Clements

饰：1st Officer - Lt David Cranford

爱德华 切普曼

Edward Chapman

饰：Capt Eckersley

朱迪·坎贝尔

Judy Campbell

饰：Lucy Armitage

Penelope Dudley-Ward

饰：Mabel

爱德华·瑞格比

Edward Rigby

饰：Mr Matthews

Charles Williams

Charles Williams

饰：Shorty Howard

Allan Jeayes

饰：Cmdr. Blount

迈克·怀尔登

Michael Wilding

饰：Dot

阿罗德·沃伦德

Harold Warrender

饰：Lt. Cmdr. Martin

大卫·哈奇森

David Hutcheson

饰：Capt Sandeman

乔治·卡尼

George Carney

饰：Bates

Al Millen

Al Millen

饰：Knowles

约翰·劳里

John Laurie

饰：Gates

George Benson

饰：Parker

海·皮特里

Hay Petrie

饰：Minesweeper skipper

默文·约翰斯

Mervyn Johns

饰：Minesweeper's mate

阿尔贝特·利文

Albert Lieven

饰：U-Boat commander

约翰·文格拉夫

John Wengraf

饰：Cmdr. Deutschland (as Hans Wengraf)

Edward Lexy

饰：Merchantman skipper

John Glyn-Jones

John Glyn-Jones

饰：Merchantman's mate

John Boxer

饰：German Captain (uncredited)

John Carol

饰：Edmonds (uncredited)

亚历克·克鲁勒斯

Alec Clunes

饰：Bit Part (uncredited)

安东·迪夫伦

Anton Diffring

饰：U-Boat officer (uncredited)

德里克·艾尔菲斯通

Derek Elphinstone

饰：Hawkins (uncredited)

Alfred Goddard

饰：Bosun's Mate (uncredited)

斯图尔特·格兰杰

Stewart Granger

饰：Sutton (uncredited)

Brian Herbert

Brian Herbert

饰：Signals Yeoman (uncredited)

James Knight

饰：Admiral (uncredited)

玛丽·奥尼尔

Maire O'Neill

饰：Mary Hogan (uncredited)

Patrick Parsons

Patrick Parsons

饰：Holt (uncredited)

Charles Rolfe

饰：Peacock (Wardroom Steward) (uncredited)

Harry Terry

Harry Terry

饰：Sailor (uncredited)

Alf Goddard

帕特里克·霍尔特

Patrick Holt

Charles Farrell

Charles Farrell

饰：Walker