The Greatest Power (18/06/1917)

Production : Rolfe Photoplays

Synopsis

Miriam Monroe and John Conrad are two young scientific workers who, independently of each other, have discovered a chemical called exonite. Miriam discovered it while searching for a cure for cancer, while Conrad used it as a basis for a powerful explosive.

Ethel Barrymore

William B. Davidson

Harry Northrup

Frank Currier