Captain Bill Ranson
Rolande Hertog
Major Julien Howard
Dr. Mulder
Hans Faber, chief spy
Martins, building porter-spy
Willem Mulder
Lt. Miller
Sgt. Bill Parrish
Piet van Wijt
Mr. Hendrijk
Mrs. Hendrijk
Mary Ann Lennig
Jan Guldt
Brauner, shot spy
Victor Vicas
Director
David Pursall
Writer
Jack Seddon
Barry Wynne
Novel
