Cast
Ralph Richardson
Jaap van Leyden
Esmond Knight
Von Schiffer
Charles Victor
Bastiaan Peters
Ivor Barnard
Admiral
Philip Leaver
Chief of Police
Valentine Dyall
Markgraf
Googie Withers
Helène van Leyden
Dorothy Gordon
Janni Peters
Anthony Eustrel
Lieutenant Wernicke
Frederick Burtwell
Captain Müller
Kathleen Byron
Schoolmistress
John Longden
Jost Meertens
Joss Ambler
Cornelis Smit