The Secret Kingdom
- Godina: 1917
- Country: United States of America
- Žanr: Adventure, Romance
- Studio: Star Film Company, Vitagraph Company of America
- Ključna riječ: movie serial, presumed lost
- Direktor: Charles Brabin, Theodore Marston
- Uloge: Charles Richman, Dorothy Kelly, Joseph Kilgour, Arline Pretty, William R. Dunn, De Jalma West
