Acting
July 23, 1916
Michendorf, Brandenburg, Prussia [now Michendorf, Germany]
as Capt. von Schletow
as Von Holem (uncredited)
as James Clark
as U-Boat Sailor (archive footage) (uncredited)
as German Attaché (uncredited)
as German U-Boat Sailor on Microphone (uncredited)
as Orderly (uncredited)
as German Captain
as Erich Baumann
as Anthony Jardine