Shamus O'Brien
- Blwyddyn: 1912
- Gwlad: United States of America
- Genre: Drama, History
- Stiwdio: Independent Moving Pictures Co. of America (IMP)
- Allweddair:
- Cyfarwyddwr: Otis Turner
- Cast: King Baggot, Vivian Prescott, William Robert Daly, Augustus Balfour, William E. Shay, Herbert Brenon
