John Mylong

as Dr. Hofer

as Kaiser Wilhelm II (uncredited)

as Colonel Duval

as Archive Footage (Robot Monster)

as The Professor

as Policeman • 1 eps

as Doctor • 1 eps

as Colonel Henry Bouquet

as Archive Footage (Robot Monster)

as Colonel Duval

as Dr. Hofer

as Druhar (uncredited)

as Martin Krafft

as Impresario

as Raumert, Brauereibesitzer

as Mr. Duchin

as Herr Gosting

as Policeman • 1 eps

as Doctor • 1 eps

as Karl Borgen • 3 eps

as Horseman • 1 eps

as Patriarch • 1 eps

Writer

as Archive Footage (Robot Monster)

as Ernst Steinhauer

as Papa Sante (uncredited)

as Gen. Foeldessy

as Mr. Duchin

as Herr Gosting

as Herr Koenig

as Dr. Hofer

as Kroll

as The Professor

as J.M. Hennick

as Karl Borgen • 3 eps

as Horseman • 1 eps

as Patriarch • 1 eps

as Doctor • 1 eps

as Policeman • 1 eps