John Mylong

as Archive Footage (Robot Monster)

as Ernst Steinhauer

as Papa Sante (uncredited)

as Karl Borgen (3 episodes)

as Baron Von Hefner (1 episode)

as Gen. Foeldessy

as Horseman (1 episode)

as Dr. Jasny

as Mr. Duchin

as Patriarch (1 episode)

as Herr Gosting

as Herr Koenig

as Doctor (1 episode)

as Dr. Hofer

as Kroll

as The Professor

as J.M. Hennick

as Policeman (1 episode), as Manager (1 episode)

as Martin Krafft

as Kaiser Wilhelm II (uncredited)

as Col. von Arnheim

as Colonel Henry Bouquet

as Impresario

as Mr. Malborn