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The Greatest Power

  • 1917
  • 50m
YOUR RATING
Drama

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 fo... Read allMiriam 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. When Conrad points out... Read allMiriam 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. When Conrad points out to her that its use could bring about world peace, Miriam works with him to perfect the f... Read all

  • Directors
    • Edwin Carewe
    • Edward LeSaint
  • Writers
    • Albert S. Le Vino
    • Louis Wolheim
  • Stars
    • Ethel Barrymore
    • William B. Davidson
    • Harry Northrup
  • See production info at IMDbPro
  • YOUR RATING
    • Directors
      • Edwin Carewe
      • Edward LeSaint
    • Writers
      • Albert S. Le Vino
      • Louis Wolheim
    • Stars
      • Ethel Barrymore
      • William B. Davidson
      • Harry Northrup
  • See production info at IMDbPro
  • See production info at IMDbPro
  • Photos2

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    Top cast10

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    Ethel Barrymore
    Ethel Barrymore
    • Miriam Monroe
    William B. Davidson
    William B. Davidson
    • John Conrad
    Harry Northrup
    Harry Northrup
    • Albert Bernard
    • (as Harry S. Northrup)
    Frank Currier
    Frank Currier
    • Randolph Monroe
    William Black
    • Bradford Duncan
    Cecil Owen
    • Eric Johansen
    Frederick Truesdell
    Frederick Truesdell
    • Prof. Poole
    • (as Fred C. Truesdell)
    Redfield Clarke
    • Maj. Gen. Foster
    • (as Redfield Clark)
    Rudolph De Cordova
    • Williams
    W.M. Armstrong
    • Capt. Herbert
    • Directors
      • Edwin Carewe
      • Edward LeSaint
    • Writers
      • Albert S. Le Vino
      • Louis Wolheim
    • All cast & crew
    • Production, box office & more at IMDbPro

    User reviews

    Storyline

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    Details

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    • Release date
      • June 18, 1917 (United States)
    • Country of origin
      • United States
    • Languages
      • None
      • English
    • Also known as
      • Her Greatest Power
    • Filming locations
      • Long Island, New York, USA
    • Production company
      • Rolfe Photoplays
    • See more company credits at IMDbPro

    Tech specs

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    • Runtime
      • 50m
    • Color
      • Black and White
    • Sound mix
      • Silent
    • Aspect ratio
      • 1.33 : 1

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