The Mystery of Mr. X
- Afọ: 1934
- Mba: United States of America
- Dị: Comedy, Crime, Mystery
- .Lọ nka: Metro-Goldwyn-Mayer
- Isiokwu: diamond, jewel thief, pre-code
- Onyeisi: Edgar Selwyn
- Nkedo: Robert Montgomery, Elizabeth Allan, Lewis Stone, Ralph Forbes, Henry Stephenson, Forrester Harvey