Calificación
Reparto

Peter van Eyck
Henry B. Travers

Gert Fröbe
Detective Inspector Kras

Wolfgang Preiss
Prof. Jordan / Peter Cornelius / Dr. Mabuse

Dawn Addams
Marion Menil

Werner Peters
Hieronymus B. Mistelzweig

Andrea Checchi
Hotel Detective Berg

Howard Vernon
No. 12

David Cameron
Michael Parker

Christiane Maybach
Maid

Albert Bessler
Hotelingenieur

Marielouise Nagel
The Blonde Luck

Reinhard Kolldehoff
Roberto Menil aka 'Klumpfuß'

Nico Pepe
Hotel-Manager

Jean-Jacques Delbo
Cornelius' Butler

Linda Sini
Corinna

Renate Küster
TV announcer