![The Invisible Ray](https://image.tmdb.org/t/p/w300/fyjiYNhdqIBDGYbdhtinucRCEh8.jpg)
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.
- genus: Science Fiction
- Studio: The Frohman Amusement Corp.
- keyword: mutant, silent film, death ray
- cast: Ruth Clifford, Jack Sherrill, Sidney Bracey, Edwards Davis, Corene Uzzell, William H. Tooker