Casts
Hughie Mack
as Caragol (prologue)
Alice Terry
as Freya Talberg
Antonio Moreno
as Ulysses Ferragut
Mickey Brantford
as Ferragut's Son - Esteban (as Michael Brantford)
Frédéric Mariotti
as Toni - the Mate (as Fredrick Mariotti)
Madame Pâquerette
as Doctor Fedelmann (as Mme. Paquerette)
Fernand Mailly
as Count Kaledine
Andrews Engelmann
as Submarine Commander (as André von Engelman)
John George
as Servant (uncredited)
