A scientist is persuaded by the government to inject himself with the brain fluid of a dying colleague in order to preserve missile-defense secrets. However, he finds that he is now torn between his own wife and that of his dead colleague, who was a Nazi sympathizer.
David McCallum
Susan Strasberg
Helmut Käutner
Lilli Palmer
Leslie Nielsen
Herbert Fleischmann
Hans Elwenspoek
Barbara Lass
Arthur Brauss
Robert Webber
Günter Meisner
Peter Capell
Manfred Reddemann
Jochen Busse