An Unseen Enemy
- Ane: 1912
- Peyi: United States of America
- Stil: Drama
- Studio: American Mutoscope & Biograph
- Mo kle: race against time, menace, thief, silent film, mortal danger, safecracker, safe deposit box, peril, young sisters, sisters
- Direktè: D.W. Griffith
- Distribisyon: Lillian Gish, Dorothy Gish, Robert Harron, Elmer Booth, Grace Henderson, Harry Carey