The Key to Yesterday
- Bliain: 1914
- Tír: United States of America
- Seánra: Drama
- Stiúideo: Favorite Players Film Co.
- Eochairfhocal:
- Stiúrthóir: John Francis Dillon
- Caitheadh: Carlyle Blackwell, Edna Mayo, Gypsy Abbott, George Brunton, John Francis Dillon, Jack Prescott
