Self (archive footage) (uncredited)
Himself (archive footage)
The Cardinal
Dr. Abel
The General
General Ziemann
Etienne Laurier
Nikko Regas
Eduardo Barroso
Henrique Monteros
Pierre
Edri al-Gadrian
Florenz Ziegfeld
Konrad Hegner
Kazah the Great
Hugo Bishop
Paul Rencourt
Dr. Philip Ritter
Abu Amdar
Dr Stephen Brice
Paul Rencourt
Jean Lafitte
Dr. John H. Jason
Commandant Paul G. Vogel
John Muller / Dr. Bartok
Robert Schumann
Karel Novak
Philip Carey
Rev. Arthur Nicholls
Capt. Laurent Van Horn
Vincent Van Der Lyn
Henry Bergner
Count Stefan Orwid
Victor Laszlo
Jeremiah 'Jerry' Duvaux Durrance
Paul Lavallier
Karl Marsen
Victor Brandt
Max Staefel
(uncredited)
Velthen
Franz von Ketterer
