Peter van Eyck
Major Bill Tern
Dieter Borsche
George Cockstone
Klaus Kinski
Inspector Joe Wright
Sabine Bethmann
Nancy Masterson
Werner Peters
Inspektor Vulpius
Wolfgang Preiss
Geist von Dr. Mabuse
Agnes Windeck
Gwendolyne Tern
Hans Nielsen
Chef vom Yard
Albrecht Schoenhals
Sir Robert Alingham
Wolfgang Lukschy
Ernest Hyliard
Albert Bessler
Konservator
Ruth Wilbert
Prinzessin Diana
Walter Rilla
Dr. Pohland / 'Dr. Mabuse'
Joachim Nottke
Radio Announcer (voice)