Apollon Uni

Character: The Triton (prologue) (as Uni Apollon)

Álex Nova

Character: Don Esteban Ferragut (prologue) (as Alex Nova)

Kada-Abd-el-Kader

Character: Don Esteban's Son - Ulysses (prologue)

Hughie Mack

Character: Caragol (prologue)

Alice Terry

Character: Freya Talberg

Antonio Moreno

Character: Ulysses Ferragut

Mademoiselle Kithnou

Character: Ferragut's Wife - Dona Cinta (as Mle. Kithnou)

Mickey Brantford

Character: Ferragut's Son - Esteban (as Michael Brantford)

Rosita Ramírez

Character: Ferragut's Niece - Pepita

Frédéric Mariotti

Character: Toni - the Mate (as Fredrick Mariotti)

Madame Pâquerette

Character: Doctor Fedelmann (as Mme. Paquerette)

Fernand Mailly

Character: Count Kaledine

Andrews Engelmann

Character: Submarine Commander (as André von Engelman)

John George

Character: Servant (uncredited)