as Grigorij Michailow
as Jac Gerard, Composer
as Richard Ferner
as Baron Joachim Von Essenbeck
as Dr. Pietro Rossi
as Prinz von Holsten-Böhlau
as Vater von Redel
as Dr. Dos Passos
as Michael Thomas
as Axel von Schack
as Michele Donato, alias Mac Dynar
as Earl of Dorincourt
as Georg Miller
as Dr. Tronka
as Sir Robert Alingham
as Bernd Geldern
as Eduard Caroly
as Kapitän von Moltmann
as Il maestro Hutten
as Graf Wladimir Jaroff
as Verleger Conrads
as Dr. Herbert Bornemann - Fabrikant
as Dr. Entrupp
as Eduard Amberg
as Johann Tönnessen
as Duke of Edgestone
as Botschafter
as Van den Born
