What Happened to Mary
- Ár: 1912
- Land: United States of America
- Genre: Action, Thriller
- Stúdíó: McClure Publishing Co., Edison Studios
- Lykilorð: movie serial
- Leikstjóri: Charles Brabin
- Leikarar: Mary Fuller, Marc McDermott, Charles Ogle, Barry O'Moore, Bliss Milford, Bigelow Cooper
