| Directed by |
Maurice Tourneur Benjamin Christensen Lucien Hubbard |
|
| Screenplay by |
Lucien Hubbard |
|
| Cast: | ||
| Count Andre Dakkar | Lionel Barrymore | |
| Countess Sonia Dakkar | Jacqueline Gadsden | |
| Nikolai Roget | Lloyd Hughes | |
| Baron Falon | Montagu Love | |
| Mikhail | Harry Gribbon | |
| Anton | Snitz Edwards | |
| Dmitry | Gibson Gowland | |
| Crewman (scenes deleted) | Karl Dane | |
| Island Stronghold Guard | Bob Kortman | |
| Underwater Creature | Angelo Rossitto | |
| Radio Technician | Harry Tenbrook | |
| Pauline Starke | ||
| Year: | 1929 | |
| Country: | United States | |