What Happened to Mary
- Aasta: 1912
- Riik: United States of America
- Žanr: Action, Thriller
- Stuudio: McClure Publishing Co., Edison Studios
- Märksõna: movie serial
- Direktor: Charles Brabin
- Osades: Mary Fuller, Marc McDermott, Charles Ogle, Barry O'Moore, Bliss Milford, Bigelow Cooper
