The Mystery of Mr X. Word Search Puzzle Solver. The Mystery of Mr X word Search Puzzle Game. Find words related to movie actors, actresses, and genres. Word Search Puzzle Solver. A sophisticated jewel thief tries to prove himself innocent of a string of cop murders. This includes identifying and searching for words that are related to : Lewis Stone, Forrester Harvey, Robert Montgomery, Comedy, Henry Stephenson, Ivan F Simpson, Ralph Forbes, Crime, Mystery, Elizabeth Allan, Leonard Mudie .