Charles Regnier

as Wilhelm Kortner

as German Prisoner (uncredited)

as Igor

as Prof. Dr. Monthé

as I. Robert Oppenheimer

as Petit-Paysan

as Giacomo Meyerbeer

as Arzt

as (uncredited)

as Professor Sauermann

as Clifton

as Herr Hirschauer

as Kolmbühler

as Self

as Dr. Förster, Gefängnispsychologe

as Dr. Strobel

as Jakob Bachmann

as Self

as Self

as Herr Straaten

as Herr Rostrowicz

as Kriminalhauptkommissar Georg Wieker