拉尔夫·理查德森
Ralph Richardson
饰：Prof. Heatherville
雷蒙德·亨特利
Raymond Huntley
饰：Prof. Laxton-Jones
约翰·劳里
John Laurie
饰：Dr. McVitie
Ernest Jay
饰：Dr. Dainty
大卫·汤姆林森
David Tomlinson
饰：Mr. Watlington
芬利·柯里
Finlay Currie
饰：Sir Duncan Wills
Norman Webb
Norman Webb
饰：Dr. Wainwright
迈克尔·霍登
Michael Hordern
饰：Lt. Cmdr. Lowther
Pamela Matthews
饰：Mrs. Watlington
Joan Haythorne
饰：Mrs. Laxton-Jones
琼·杨
Joan Young
饰：Mrs. McVitie
Ann Wilton
饰：Mrs. Dainty
理查德·阿滕伯勒
Richard Attenborough
饰：Jack Arnold
大卫·哈奇森
David Hutcheson
饰：Squadron Leader Sowerby
Patrick Waddington
饰：Group Capt. Aspinall
Cyril Smith
饰：Flight Sgt. Cox
詹姆斯·海特
James Hayter
饰：Warrant Officer
D. Bradley Smith
D. Bradley Smith
饰：Air Marshal Cotter
罗宾·贝利
Robin Bailey
饰：Wives' escort officer
休·登普斯特
Hugh Dempster
饰：Sdr. Ldr. Slatter
Kenneth Buckley
饰：Sdr. Ldr. Buckley
保罗·卡彭特
Paul Carpenter
饰：Flt. Lt. Argylle
安东尼·道森
Anthony Dawson
饰：Flt. Lt. Norton
Robert Long
Robert Long
饰：Flying Officer Davies
Richard Mantell
Richard Mantell
饰：Air Vice-Marshal
默里马西森
Murray Matheson
饰：Wing Cdr. Allen
Anthony Wyckham
Anthony Wyckham
饰：Flg. Off. Ogden
Peggy Evans
饰：Daphne Adams
Ingrid Forrest
饰：Penelope Birkenshaw
Geraldine Keyes
Geraldine Keyes
饰：Phyllis Hammond
Vida Hope
饰：WAAF Flight Sergeant
Sonia Elverson
Sonia Elverson
饰：WAAF Teller
Robert Wyndham
饰：Major
Andrew Blackett
饰：Captain
比尔·欧文
Bill Owen
饰：Paratroop Sergeant (as Bill Rowbotham)
Tony Arpino
饰：1st Commando
Peter March
Peter March
饰：2nd Commando
Bob Elson
Bob Elson
饰：3rd Commando
Roger Keyes
Roger Keyes
饰：4th Commando
Trevening Hill
Trevening Hill
饰：5th Commando
Edward Hodge
饰：6th Commando
Joseph Almas
Joseph Almas
饰：Dr. Klemmerhahn
Arthur Rieck
Arthur Rieck
饰：Lt. Hense
Ernest Urbank
Ernest Urbank
饰：1st Sentry
Karl Morel
Karl Morel
饰：2nd Sentry
马乔里·罗德
Marjorie Rhodes
饰：Mrs. Arnold
Edward Lexy
饰：Sir Desmond Prosser
Hugh Pryse
饰：Sir Nicholas Hathaway
O.B. Clarence
饰：Old Retainer
Aubrey Mallalieu
饰：1st Club Member
德蒙·罗伯茨
Desmond Roberts
饰：2nd Club Member
Guy Belmore
Guy Belmore
饰：3rd Club Member
Alvar Liddell
Alvar Liddell
饰：BBC Announcer
Dagenham Girl Pipers
Dagenham Girl Pipers
肯尼斯·摩尔
Kenneth More
饰：Bomb Aimer (uncredited)
Arthur Mullard
饰：(uncredited)