Cast
Jeffrey Hunter
Captain Bill Ranson
Annemarie Düringer
Rolande Hertog
Nigel Patrick
Major Julien Howard
David Kossoff
Dr. Mulder
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Rolf Lefebvre
Hans Faber, chief spy
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Larry Burns
Martins, building porter-spy
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Anthony Ostrer
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Claude Kingston
Willem Mulder
Robert Raglan
Lt. Miller
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Peter Prouse
Sgt. Bill Parrish
Philip Bond
Piet van Wijt
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Otto Diamant
Mr. Hendrijk
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Marianne Walla
Mrs. Hendrijk
Beth Rogan
Mary Ann Lennig
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Arthur Gross
Jan Guldt
