The Double Room Mystery
- Sal: 1917
- Welat: United States of America
- Genre: Crime
- Studio: Universal Film Manufacturing Company, Red Feather Photoplays
- Keyword:
- Serek: Hobart Henley
- Avdan: Gertrude Selby, Hayward Mack, Ed Brady, Edward Hearn, Ernest Shields, Mattie Witting
