as Richard Fischer
as Michael Reisiger
as Sir Phillip
as Gast
as Theo Henning
as Willem
as Enrico Falotti
as Willem Ambrock
as German Officer (uncredited)
as Thomas
as Hans Bernini
as Dr. Hans Winhold
as Georg von Hochheim
as Julian Bork, Sportflieger
as Moriarty
as Gustl Strengholt
as der Mann
as Rittmeister Gunnar Nyborg
as Dr.-Ing. Heinz Fritsch
as Viktor von Randau
as Jack Wheeler
as Percy
as Erik Kramer
as Peter Rabanser
as Bishop Ambrosse
as Marco, il capo della Camorra
as Prof. Bruckner
as Alexander Patou
as Ernst Vossberg
as Hans Fichtner, Student
as Martin Delius
as André Vallier
as Peter
as Georg
as Dr. Stefan Rugge
as Oberleutnant Klaus Olden
as Ruda, Dompteur
as Professor Mathias
as Hans Berend
as Peter Mansfeld
as Zuschauer
as Prinz Edwin Weylersheim
as Hans Siebert
as Professor Dr. Brand
as Marco
as Anwalt Robert Jackson
as Claude Peyremal
as Hans Promm
as Hans Jürgens
as Stefan Kohlund
as Robert von Stetten
as Kammersänger Hans Weigel / Eisenstein
as Komponist Axel Berndt
as Heinrich Horstmann
as Hans Flint
as Panezza
as Der alte Manolescu
as Graf Rosen-Bückburg
as Pastor Kittelhaus
as Oberarzt Dr. Karl Solm
as Flugkapitän van Santen
as Franz Volker
as Dr. Knopp
as Marcel Bressac
as Dr. Paul Urban
as Johannes Rosen
as Direktor Kogler
as Amtsrichter Schröter
as Hotelchef Otto Buchner
