The Secret Kingdom
- Mwaka: 1917
- Nchi: United States of America
- Aina: Adventure, Romance
- Studio: Star Film Company, Vitagraph Company of America
- Neno kuu: movie serial, presumed lost
- Mkurugenzi: Theodore Marston, Charles Brabin
- Tuma: Charles Richman, Dorothy Kelly, Joseph Kilgour, Arline Pretty, William R. Dunn, De Jalma West
