The Great Radium Mystery
- Jaro: 1919
- Lando: United States of America
- Ĝenro: Adventure, Action
- Studio: Universal Film Manufacturing Company
- Ŝlosilvorto: government agent, movie serial
- Direktoro: Robert Broadwell, Robert F. Hill
- Rolantaro: Cleo Madison, Bob Reeves, Eileen Sedgwick, Bob Kortman, Ed Brady
