Hans-Michael Rehberg as Robert J. Oppenheimer

Hans Quest as Gordon Gray

Dieter Borsche as Ward V. Evans

Herbert Mensching as Roger Robb

Dietrich Mattausch as C. A. Rolander

Michael Degen as Edward Teller

Kurt Meisel as Isadore Isaac Rabi

Gerd Anthoff as

Toni Berger as

Karl Lieffen as

Heini Göbel as

Horst Sachtleben as