约翰·米尔斯

John Mills

饰：肖蒂·布莱克 Ordinary Seaman Shorty Blake

诺埃尔·考沃德

Noel Coward

饰：舰长洛金斯 Capt. Edward V. Kinross

伯纳德·迈尔斯

Bernard Miles

饰：军士长沃尔特哈迪 CPO Walter Hardy

西莉亚·约翰逊

Celia Johnson

饰：Alix Kinross

Ann Stephens

饰：Lavinia Kinross

丹尼尔·马西

Daniel Massey

饰：Bobby Kinross

乔伊丝·凯里

Joyce Carey

饰：Katherine Lemmon Hardy

Dora Gregory

饰：Mrs. Lemmon

凯·沃尔什

Kay Walsh

饰：Freda Lewis

德里克·艾尔菲斯通

Derek Elphinstone

饰：First Lieutenant, the 'Torrin' (Number One)

迈克·怀尔登

Michael Wilding

饰：'Flags', Second Lieutenant

菲利普·佛伦德

Philip Friend

饰：'Torps', Torpedo Officer

巴拉德伯克利

Ballard Berkeley

饰：Engineer Commander

Robert Sansom

Robert Sansom

饰：'Guns', Gunnery Officer

Chimmo Branson

Chimmo Branson

饰：Snotty, Midshipman

Caven Watson

饰：Brodie

杰弗里·希伯特

Geoffrey Hibbert

饰：Seaman Joey Mackeridge

弗雷德里克·派珀

Frederick Piper

饰：Edgecombe (Kinross' orderly)

Lionel Grose

饰：Seaman Reynolds

莱斯利·德怀尔

Leslie Dwyer

饰：Seaman Parkinson

Charles Russell

Charles Russell

饰：Seaman Fisher

John Singer

饰：Seaman Moran

Robert Moreton

Robert Moreton

饰：Seaman Coombe

John Boxer

饰：Hollett

Kenneth Evans

Kenneth Evans

饰：Ship's mailman

约翰尼·斯科菲尔德

Johnnie Schofield

饰：Coxswain

Franklyn Bennett

Franklyn Bennett

饰：Cmdr. Spencer

Charles Compton

Charles Compton

饰：First Lieutenant, the 'Tremoyne'

沃尔特·菲茨杰拉德

Walter Fitzgerald

饰：Col. Lumsden

杰拉尔德·凯斯

Gerald Case

饰：Jasper (army orderly)

Hubert Gregg

饰：Pilot of the 'Torrin'

詹姆斯·唐纳德

James Donald

饰：Ship's doctor

迈克尔·惠特克

Michael Whittaker

饰：Sub

嘉芙莲·哈里森

Kathleen Harrison

饰：Mrs. Blake

Penelope Dudley-Ward

饰：Maureen Fenwick

Barbara Waring

饰：Mrs. Macadoo

Eileen Peel

饰：Mrs. Farrell

Lesley Osmond

饰：Nell Fosdick

Josie Welford

饰：Emily

Kay Young

饰：Barmaid

Trixy Scales

Trixy Scales

饰：Mona Duke

乔治·卡尼

George Carney

饰：Dad Blake

沃利·帕奇

Wally Patch

饰：Uncle Fred Blake

迈克尔·安德森

Michael Anderson

饰：Albert Fosdick (as Michael Anderson)

Jill Stephens

Jill Stephens

饰：May Blake

埃弗利·格雷格

Everley Gregg

饰：Freda's nurse

Roddy Hughes

饰：Wedding photographer

Norman Pierce

饰：Mr. Satterthwaite (shipbuilder)

Kenneth Carten

饰：Sub-Lieutenant, R.N.V.R.

莱斯利·霍华德

Leslie Howard

饰：Voice

理查德·阿滕伯勒

Richard Attenborough

饰：Young sailor who leaves post (uncredited)

约翰·布雷伯恩

John Brabourne

饰：Soldier in the Dunkirk sequence (uncredited)

约翰·瓦利

John Varley

饰：Secco

安瑟维·内维尔·张伯伦

Neville Chamberlain

饰：Self, (archive sound)

Jeremy Hawk