Gérard Herter

as Prince Luitpold

as Karl Muller

as Colonel Skimmel

as Capt. Kreuger

as conte Roskoff

as Maj. Skorch

as Lieutenant Hapke

as Colonel Kleist

as General Schwartz

as Mr. Bishop

as Ernest Ward

as German Officer in Town (uncredited)

as Laocoonte

as Col. Blackgrave

as Major Lloyd

as Lawrence Blackman

as Baron von Schulenberg

as Coleman (as Gerard Haerther)

as Mr. Silver

as Colonnello comandante (uncredited)

as German officer

as Lothar

as Captain del Sommergibile

as Col. von Elm

as Hippia

as Capitano Austriaco

as Max Gunther

as Prince Sergei Vorontzov