The Mystery of Lake Lethe
- Sena: 1917
- Pajjiż: United States of America
- Ġeneru: Mystery
- Studio: Vitagraph Company of America
- Kelma ewlenija:
- Direttur: Rollin S. Sturgeon
- Kast: Webster Campbell, William Duncan, Corinne Griffith, Anne Schaefer, Nell Shipman
