John Mylong

as Archive Footage (Robot Monster)

as Ernst Steinhauer

as Papa Sante (uncredited)

as Karl Borgen

as Gen. Foeldessy

as Horseman

as Mr. Duchin

as Herr Gosting

as Herr Koenig

as Doctor

as Dr. Hofer

as Kroll

as The Professor

as J.M. Hennick

as Policeman

as Manager

as Martin Krafft

as Kaiser Wilhelm II (uncredited)

as Col. von Arnheim

as Colonel Henry Bouquet

as Impresario

as Mr. Malborn

as Peter Vantine / Carl Dudley

as Nicholas Bederaux, Sr. (uncredited)

as Druhar (uncredited)

as Submarine Commander

as Colonel Duval

as Captain of Submarine

as Staff Officer (uncredited)

as Von Eltzen

as Stanislaw Maniusko

as Gen. Seydlitz

as Arthur Dreyer

as Harry Webber, genannt "Juwelen Harry"

as John Stuart

as Marx, Aushilfsdiener

as Raumert, Brauereibesitzer

as Zahnstocher-Jeff

as Jan

as Boris

as Kelly

as Minister Hagen

as Biller, gegnerischer Mittelstürmer

as Felix, sein Sohn

as Rolf Sander

as Dr. Harry Edwards

as Jürg Asmussen

as Rabob