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Demonstrating that a little knowledge is a dangerous thing, a convicted strangler studies the paranormal and finds a way to render himself invisible. Once he escapes, he sets out to find and eliminate the five women who testified in his prosecution. A police lieutenant (Robert Foxworth) sets out to safeguard them, and bring the invisible killer to justice.

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  1. Arthur C. Pierce


  2. John Florea


Top Billed Cast

  1. Robert Foxworth

    Robert Foxworth

    Lt. Charles Barrett

  2. Stefanie Powers

    Stefanie Powers

    Candy Barrett

  3. Sue Lyon

    Sue Lyon

    Darlene DeLong

  4. Mark Slade

    Mark Slade

    Detective Holt

  5. Leslie Parrish

    Leslie Parrish

    Colleen Hudson

  6. Marianna Hill

    Marianna Hill

    Bambi Greer

Full Cast & Crew

Movie Data


Status Released

Original Language English

Runtime 1h 36m

Budget -

Revenue -

Homepage -

Release Information

  • January 1, 1976
    PG, Theatrical



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