The story of a female German spy who willingly sacrifices her life for her country.
as The Triton (prologue) (as Uni Apollon)
as Don Esteban Ferragut (prologue) (as Alex Nova)
as Don Esteban's Son - Ulysses (prologue)
as Caragol (prologue)
as Freya Talberg
as Ulysses Ferragut
as Ferragut's Wife - Dona Cinta (as Mle. Kithnou)
as Ferragut's Son - Esteban (as Michael Brantford)
as Ferragut's Niece - Pepita
as Toni - the Mate (as Fredrick Mariotti)
as Doctor Fedelmann (as Mme. Paquerette)
as Count Kaledine
as Submarine Commander (as André von Engelman)
as Servant (uncredited)
