拉尔夫·理查德森

Ralph Richardson

饰：Jaap van Leyden

乔姬·韦瑟斯

Googie Withers

饰：Helène van Leyden

埃斯蒙德·奈特

Esmond Knight

饰：Von Schiffer

Beresford Egan

饰：Krampf

Frederick Burtwell

饰：Captain Müller

凯思琳·拜荣

Kathleen Byron

饰：Schoolmistress

Willem Akkerman

Willem Akkerman

饰：Willem van Leyden

Dorothy Gordon

饰：Janni Peters

查尔斯·维克托

Charles Victor

饰：Bastiaan Peters

约翰·朗登

John Longden

饰：Jost Meertens

Joss Ambler

饰：Cornelis Smit

Margaret Emden

Margaret Emden

饰：Bertha

George Schelderup

George Schelderup

饰：Dirk

Neville Mapp

饰：Joop

Ivor Barnard

饰：Admiral

John Carol

饰：Johann

Philip Leaver

饰：Chief of Police

Lawrence O'Madden

Lawrence O'Madden

饰：Captain Schneider (as Laurence O'Madden)

安东尼·尤斯卓

Anthony Eustrel

饰：Lieutenant Wernicke

Charles Minor

饰：Bohme

瓦伦丁·戴尔

Valentine Dyall

饰：Markgraf

Lieutenant Schouwenaar

Lieutenant Schouwenaar

饰：Captain of the U-boat (as Lieut. Schouwenaar, R.N.N.)

Lieutenant Van Dapperen

Lieutenant Van Dapperen

饰：Lieutenant of the U-boat (as Lieut. vanDapperen, R.N.N.)

约翰·阿诺尔德

John Arnold

饰：Navigator of the U-boat

Arthur Mullard

饰：(uncredited)