Diretor/a
Vernon Sewell
DIRETOR/A
Gordon Wellesley
Elenco (na ordem dos créditos)
Ralph Richardson
Jaap van Leyden
Googie Withers
Helène van Leyden
Esmond Knight
von Schiffer
Beresford Egan
Krampf
Frederick Burtwell
Captain Müller
Kathleen Byron
Schoolmistress
Willem Akkerman
Willem van Leyden
Dorothy Gordon
Janni Peters
Charles Victor
Bastiaan Peters
John Longden
Jost Meertens
Joss Ambler
Cornelis Smit
Margaret Emden
Bertha
George Schelderup
Dirk
Neville Mapp
Joop
Ivor Barnard
Admiral
John Carol
Johann
Lieutenant Schouwenaar
Captain of the U-boat
Lieutenant Van Dapperen
Lieutenant of the U-boat
John Arnold
Navigator of the U-boat
Philip Leaver
Chief of Police
Lawrence O'Madden
Captain Schneider
Anthony Eustrel
Lieutenant Wernicke
Charles Minor
Bohme
Valentine Dyall
Markgraf
Diane Clare
Girl (uncredited)
Arthur Mullard
(uncredited)
Amy Veness
Old lady (uncredited)