On screen
Cast
11 credited performers
Lionel Barrymore
Andre Dakkar
Jacqueline Gadsden
Sonia Dakkar
Lloyd Hughes
Nikolai Roget
Montagu Love
Falon
Snitz Edwards
Anton
Gibson Gowland
Dmitry
Artwork unavailable
Dolores Brinkman
Teresa
Karl Dane
(uncredited)
Pauline Starke
(uncredited)
Artwork unavailable
Carl Roup
Underwater Creature (uncredited)
Angelo Rossitto
Underwater Creature