Actors
Jeffrey Hunter
Captain Bill Ranson
Annemarie Düringer
Rolande Hertog
Nigel Patrick
Major Julien Howard
David Kossoff
Dr. Mulder
R
Rolf Lefebvre
Hans Faber, chief spy
L
Larry Burns
Martins, building porter-spy
A
Anthony Ostrer
C
Claude Kingston
Willem Mulder
Robert Raglan
Lt. Miller
P
Peter Prouse
Sgt. Bill Parrish
Philip Bond
Piet van Wijt
O
Otto Diamant
Mr. Hendrijk
