What Happened to Mary
- वर्ष: 1912
- देश: United States of America
- शैली: Action, Thriller
- स्टुडिओ: McClure Publishing Co., Edison Studios
- कीवर्ड: movie serial
- संचालक: Charles Brabin
- कास्ट: Mary Fuller, Marc McDermott, Charles Ogle, Barry O'Moore, Bliss Milford, Bigelow Cooper
