as Johnnie Vulkan

as Prof. Nesbitt

as Ingenieur Harald Berger

as John McLaren

as Harald Berger / Henri Mercier (in French version)

as Jean-Marc Oesterlin

as Commarro

as Dr. Jean Berner

as Georg Lindberg

as Doctor Ventoux / 'Le chat'

as Roberto Costa

as Harald Berger (as Paul Christian)

as Paul Finney, the Upperseven

as Georg

as Hassan (as Paul Christian)

as Robert Ellin

as Major von Tellheim

as Joachim Steigenwald

as Reinhold Wipf

as Hans Lieven

as Karl Brandtstetter

as Frederich

as Werner Homfeld

as Willibald Mack

as Götz Renner

as Robert Florian

as Paul Heiden

as Robert Langen

as Van Cleef

as Alfred Franconi

as Professor Martin Wiegand

as Verleger

as Rolf Zeller

as Robert - Journalist

as Alexander Haupt

as Uhrenfabrikant Pflügeli

as Herr Milander

as Herr Häggeli

as Johnny Zamaris

as Martin Bohlen

as Simon

as Wilhelm

as Bölsterli

as Franz Rainer

as Jo, ein amerikanischer Soldat

as Alfred Schott

as Fredy

as Raymond Montandon, Kunstmaler

as Dr. Benn Wittich, Biologe u. Chemiker

as Armando Cellini

as Imre von Hontos, Maria Ilonas Bruder

as Justus Schneemann

as Premierleutnant Hofstede

as Hans Leitner

as Jack Lambert, Filmstar

as Raymond Brinton

as Conrad Hegner

as Parrish

as Alain Compton

as Ferdinand Hofer

as Fritz Hablützel

as Stefan

as Diplomat

as Vancruysen

as von Brunner

as Herr Beiber

as Dr. Andreas Gollhofer

as Lord Henry James Chesterfield

as Robert Orban

as Prokesch

as Reiner Dietrich

as Professor's Friend

as Botschafter Eliot Anderson

as Robert Wieland

as Rissell

as Frank Witte

as Alfiere Lorenzo Contarini

as Franz Liszt

as Karl Marek (as Paul Christian)

as Baron Federsen

as Francesco Jimenez

as Tony Burger

as Father

as Charlie Castle

as John de la Croix

as Kürmann

as George