The Great Radium Mystery (1919)
The Great Radium Mystery is a 1919 American adventure film serial directed by Robert Broadwell and Robert F. Hill. This serial is now considered a lost film.
More at Wikipedia.
Director: Robert Broadwell
Robert F. Hill
Distributor: Universal Film Manufacturing Co.|Universal Studios
Release date: October 13, 1919
Running time: 18 episodes
External links:
IMDb