"This documentary details the life of Klaus Fuchs who was a spy for the Soviet Union while working on nuclear research in the United States and Great Britain. It also discusses the contributions of German scientists to the atomic bomb."
Heinz-Dieter Knaup
as Narrator (voice)
Klaus Fuchs
as Self - Interviewee
Carl Friedrich von Weizsäcker
Otto Haxel
Nevill Mott
Jürgen Kuczynski
Joseph Rotblat
Wolf Graf von Baudissin
Robert Jungk
Grete Keilson
Karl Wirtz
Günter Flach
Ruth Werner
Wolfgang Meyer
Manfred von Ardenne
Rudolf Peierls
Fritz Bernhard
Christel Holzer
Georgy Flyorov
Joachim Hellwig
Writer
Director
Gunther Scholz
Director of Photography
Klaus Schulz
Wolfgang Dietzel
Dieter Körner
Editor
Klaus-Dieter Dörrer
Production Manager
Marco Mundt
Unit Manager
Hans Moser
Animation
Thomas Rosié
Hans-Joachim Huschenbett
Sound
Rolf Rolke
Sound Mixer
Brigitte Unterdörfer
Music Editor