as Bernard

as Henry Arthur 'Der Hexer' Milton

as Arthur Milton

as Schiller

as Oberinspektor Düwell

as I. Offizier Rohlfs

as Fürst Ramigani

as Eduard Fabricius

as Hermann

as Maillezais, Unterhändler des Königs

as Gravic

as Dr. Minxit

as Stefan Gorgas

as Charly Justin

as Wan Tan

as Lindford

as Dr. Thomas

as Prince Ramigani

as Major Kazanow

as Ludwig van Beethoven

as Ernst Jakob Renz

as Robert Devoy

as Karl Ludwig Faerber

as Dr. med. Steininger

as Gawan Massi

as Dr. Martin Bernhard

as Groppi

as Onkel Franz

as Gaston Thibault

as Dr. Diener

as Tom Finberg

as Captain Percy Forbes, British Chief Agent

as Robby Glawar

as Lakamba

as Lakamba

as Sergei Gavrilovitch Schuvalov

as Werkstatter Rudi Winkler

as Alfredo Codona

as Dr. Paul Meinhardt

as Student Brutus

as Alfredo Capelli

as Grenadier Emil Sasse

as Olaf Hansen

as Jan Karsten

as Viktor Hoffmann, Pressephotograph

as Frank Olman

as Napoleon

as Tom Moody

as Ludwig van Beethoven

as Ivamoura, Youki's brother

as Fedor

as Nils Ascan

as Henry Wickham

as Niels Terström

as Hannes Hallgarten

as Mittelstürmer Werner Fehling

as Günther Imhoff

as Kapitän Tonning

as Matthias Radscheck

as Kurt Tromba, Tigerdompteur

as Kommissar Dr. Hennings

as Kovak

as Franciszek Kowalski

as Oliver Gant

as Kommissar

as Ljubomir Jordanow, ihr Freund

as Tabaret

as Bruno

as Leo Trotzki

as Professor Marbach

as Herbert Sims

as Roy Durkin

as Paul Sander

as Simon

as Prince Ramigani

as Lakamba

as Joe Keller

as Förster Knarrtje (voice)

as Viktor

as Frederico Gomez

as Beppo

as Robert Torreani

as Thomas Dekker Sr. (edited from: Kautschuk) (archive footage) (uncredited)