![The Greatest Power](https://image.tmdb.org/t/p/original//jVpIe4h7X68c7WFqPN9cvhcZzE0.jpg)
![The Greatest Power](https://image.tmdb.org/t/p/w200//ygGciaj5wrP7euvX5PY6j9J3GGn.jpg)
The Greatest Power
01917-06-18
0.0
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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.
Cast
![Ethel Barrymore](https://image.tmdb.org/t/p/w200//2YrpVZCBUHUSuNJbtTOp4TgAsa2.jpg)
Ethel Barrymore
Miriam Monroe
![William B. Davidson](https://image.tmdb.org/t/p/w200//20RHbZvvujZFlR2B96i7oQaJ6w.jpg)
William B. Davidson
John Conrad
![Harry Northrup](https://image.tmdb.org/t/p/w200//zTH4PU8BGipYly6JuV0BnYz3YX5.jpg)
Harry Northrup
Albert Bernard (as Harry S. Northrup)
![Frank Currier](https://image.tmdb.org/t/p/w200//1j34PFDp9rAMPtospPYrR9CHY0.jpg)
Frank Currier
Randolph Monroe
![William Black](/_next/static/media/notFound.aecd17f8.png)
William Black
Bradford Duncan
![Cecil Owen](/_next/static/media/notFound.aecd17f8.png)
Cecil Owen
Eric Johansen
![Frederick Truesdell](/_next/static/media/notFound.aecd17f8.png)
Frederick Truesdell
Prof. Poole (as Fred C. Truesdell)
![Redfield Clarke](/_next/static/media/notFound.aecd17f8.png)
Redfield Clarke
Maj. Gen. Foster (as Redfield Clark)
![Rudolph De Cordova](/_next/static/media/notFound.aecd17f8.png)
Rudolph De Cordova
Williams
![W.M. Armstrong](/_next/static/media/notFound.aecd17f8.png)