as Joe Bray
as Kapitän Stassi
as Dr. Krishna (voice)
as Alexander Engelmann
as Dr. Sievers
as Kurt Nietnagel
as Konsul Armin von Prossnitz
as Sir George Edwards
as General von Felseneck
as Müller Düker
as Direktor Knauer
as Kühne
as Fürst Zeno
as Baron von Pleskau
as Dr. Hans Scholz
as Bernhard Jablonski
as Hauptmann Lüdemann
as Petersen
as Hans Bast
as Dr. Schilling
as Rudolf Nickel
as General Henning von Tresckow
as (voice) (uncredited)
as Herr Ballard
as Professor Felseneck
as Christof Lauritz
as Eduard Meyer-Cleve, Industrieller
as Nic Parnassis
as Traugott Stiebner
as Admiral
as Dr. Pohlhammer
as Bürgermeister
as Hirsch
as Prosecutor
as Selby Clive
as Fritz Rottmann
as Hauptmann Knöpfer
as Dr. Klotz
as Count Rantzau
as Kriminalrat Born
as William Sunlet
as Dr. Stoll, Verteidiger
as Inspektor Steen
as Jepantschin
as Arnold Steif, Bürgermeister
as Reginald Kinsale
as Leo Seduc
as Hugo Zwicknagel
as Jan Dirksen
as George Dalton
as Bruce Lovell
as Conte Carcasona
as Herr Gabler
as Sir Patrick
as Admiral Pendragon
as Dr. Roylott
