as Lawrence Blackman
as Capitano Austriaco
as Prince Luitpold
as Colonel Skimmel
as Colonnello comandante (uncredited)
as Max Gunther
as General Schwartz
as Baron von Schulenberg
as Capt. Kreuger
as Coleman (as Gerard Haerther)
as Lieutenant Hapke
as Col. von Elm
as Captain del Sommergibile
as Mr. Bishop
as Lothar
as Major Lloyd
as German officer
as Ernest Ward
as Colonel Kleist
as Maj. Skorch
as Col. Blackgrave
as Prince Sergei Vorontzov
as Mr. Silver
as conte Roskoff
as Hippia
