The Secret Kingdom. Word Search Puzzle Solver. The Secret Kingdom word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. The Secret Kingdom is a 1917 silent action movie serial. This includes identifying and searching for words that are related to : De Jalma West, Adventure, Joseph Kilgour, Arline Pretty, Charles Richman, Dorothy Kelly, Romance, William R Dunn .