Backdrop image for movie The Greatest Power

The Greatest Power (1917)

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.

  • Drama

Top billed cast

  • Photo of Ethel BarrymoreEthel BarrymoreMiriam Monroe
  • Photo of William B. DavidsonWilliam B. DavidsonJohn Conrad
  • Photo of Harry NorthrupHarry NorthrupAlbert Bernard (as Harry S. Northrup)
  • Photo of Frank CurrierFrank CurrierRandolph Monroe
  • Photo of William BlackWilliam BlackBradford Duncan
  • Photo of Cecil OwenCecil OwenEric Johansen
  • Photo of Frederick TruesdellFrederick TruesdellProf. Poole (as Fred C. Truesdell)
  • Photo of Redfield ClarkeRedfield ClarkeMaj. Gen. Foster (as Redfield Clark)
  • Photo of Rudolph De CordovaRudolph De CordovaWilliams
  • Photo of W.M. ArmstrongW.M. ArmstrongCapt. Herbert

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