All Cast
Michael York
Geoffrey Richter-Douglas
Elke Sommer
Erika Altschul
Peter Carsten
Major Tauntler
Marius Goring
Professor Christian Altschul
Anton Diffring
Colonel Hirsch
Andrew Keir
Von Gorian
Rupert Davies
Captain Whitney
Alexandra Stewart
Stephanie
William Marlowe
Anderson
Alan Rothwell
Brandner
Richard Hurndall
Blinker Hall
John Gill
Meier
Michael Robbins
Cockney Sergeant
Ben Howard
Jamie Fergusson
George Mikell
German Officer
Arnold Diamond
Major Proudfoot
Clive Morton
Lord Delford
Bryan Coleman
Colonel Whippen
Gary Waldhorn
Harlich
Ronald Adam
Prime Minister
Frazer Hines
Radio Operator
Ruth Kettlewell
Mrs. Parker
