The Greatest Power
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.
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Cast
Ethel Barrymore
Miriam Monroe
William B. Davidson
John Conrad
Harry Northrup
Albert Bernard (as Harry S. Northrup)
Frank Currier
Randolph Monroe
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William Black
Bradford Duncan
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Cecil Owen
Eric Johansen
Frederick Truesdell
Prof. Poole (as Fred C. Truesdell)
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Redfield Clarke
Maj. Gen. Foster (as Redfield Clark)
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Rudolph De Cordova
Williams
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W.M. Armstrong
Capt. Herbert
