What Happened to Mary
- Bliain: 1912
- Tír: United States of America
- Seánra: Action, Thriller
- Stiúideo: McClure Publishing Co., Edison Studios
- Eochairfhocal: movie serial
- Stiúrthóir: Charles Brabin
- Caitheadh: Mary Fuller, Marc McDermott, Charles Ogle, Barry O'Moore, Bliss Milford, Bigelow Cooper
