Beware! When Karloff stops the clock, your hour has come!
Dr. John Garth conducting an innovative medical experiment aimed at prolonging life and combating aging. The experiment takes an unexpected turn, placing the doctor in a confrontation with the ethics of his work and the consequences of his research.
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Cast
- Boris KarloffDr. John Garth
- Evelyn KeyesMartha Garth
- Bruce BennettDr. Paul Ames
- Don BeddoeCapt. McGraw
- Edward Van SloanDr. Ralph Howard
- Ben TaggartWarden Thompson
- Pedro de CordobaVictor Sondini
- Wright KramerGeorge Wharton
- Bertram MarburghStephen Barclay
- Robert FiskeDistrict Attorney
Crew
- Nick GrindéDirector
- Robert Hardy AndrewsScreenplay
- Benjamin H. KlineDirector of Photography
- Charles NelsonEditor
- Wallace MacDonaldProducer
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