The Invisible Ray
A scientist discovers a death ray and locks it in a box, giving the key to his daughter, who soon finds herself hunted by criminals looking to steal the deadly mineral.
- Thể loại: Phim Khoa Học Viễn Tưởng
- Studio: The Frohman Amusement Corp.
- Từ khóa: mutant, silent film, death ray, lost film, serial
- Diễn viên: Ruth Clifford, Sidney Bracey, Edwards Davis, William H. Tooker, Jack Sherrill, Corene Uzzell
