Andre Dakkar
Lionel Barrymore
Sonia Dakkar
Jacqueline Gadsden
Underwater Creature (uncredited)
Carl Roup
Nikolai Roget
Lloyd Hughes
Falon
Montagu Love
Mikhail
Anton
Snitz Edwards
Dmitry
Gibson Gowland
Teresa
Dolores Brinkman
(uncredited)
Karl Dane
Pauline Starke
Book
Jules Verne
Director
Benjamin Christensen
Maurice Tourneur
Art Direction
Cedric Gibbons
Lucien Hubbard
Music
Arthur Lange
Martin Broones
Editor
Carl Pierson
William Axt
Producer
J. Ernest Williamson
Paul Lamkoff
Special Effects
Writer
Director of Photography
Percy Hilburn