Captain Bill Ranson

Jeffrey Hunter

Acting

Rolande Hertog

Annemarie Düringer

Acting

Major Julien Howard

Nigel Patrick

Acting

Dr. Mulder

David Kossoff

Acting

Hans Faber, chief spy

Rolf Lefebvre

Acting

Martins, building porter-spy

Larry Burns

Acting

Anthony Ostrer

Acting

Willem Mulder

Claude Kingston

Acting

Lt. Miller

Robert Raglan

Acting

Sgt. Bill Parrish

Peter Prouse

Acting

Piet van Wijt

Philip Bond

Acting

Mr. Hendrijk

Otto Diamant

Acting

Mrs. Hendrijk

Marianne Walla

Acting

Mary Ann Lennig

Beth Rogan

Acting

Jan Guldt

Arthur Gross

Acting

Brauner, shot spy

Wolf Frees

Acting