as Colonel Henry Bouquet
as Dr. Hofer
as Nicholas Bederaux, Sr. (uncredited)
as Archive Footage (Robot Monster)
as Colonel Duval
as Mr. Duchin
as Kaiser Wilhelm II (uncredited)
as Staff Officer (uncredited)
as Martin Krafft
as Peter Vantine / Carl Dudley
as Druhar (uncredited)
as John Stuart
as J.M. Hennick
as Herr Gosting
as Papa Sante (uncredited)
as Jan
as Harry Webber, genannt "Juwelen Harry"
as Raumert, Brauereibesitzer
as Mr. Malborn
as Marx, Aushilfsdiener
as Ernst Steinhauer
as Col. von Arnheim
as Impresario
as Biller, gegnerischer Mittelstürmer
as Gen. Foeldessy
as Stanislaw Maniusko
as Arthur Dreyer
as Minister Hagen
as Rolf Sander
as Gen. Seydlitz
as Felix, sein Sohn
as Herr Koenig
as Von Eltzen
as Dr. Harry Edwards
as Boris
as Kroll
as The Professor
as Kelly
as Captain of Submarine
as Submarine Commander
as Zahnstocher-Jeff
as Jürg Asmussen
as Rabob
as Policeman
as Manager
as Doctor
as Karl Borgen
as Horseman
