![The Darker Side of Terror](https://image.tmdb.org/t/p/original//olyMeQHY4fxgtkxAFoHDM7V0Aho.jpg)
![The Darker Side of Terror](https://image.tmdb.org/t/p/w200//ehygPzhe9LilVraeLER19IGQSCx.jpg)
The Darker Side of Terror
1 hour 36 minutes1979-04-03
6.3
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A psychological thriller about a research biologist who, angered when an associate is given a position over him based on stolen research findings, agrees to assist his former professor in a cloning experiment in which a duplicate of himself is created -- and which then, with a mind and will of its own, falls in love with the biologist's wife.
Cast
![Robert Forster](https://image.tmdb.org/t/p/w200//vGDifxN2PnO69rnpg6FoWkocFCD.jpg)
Robert Forster
Prof. Paul Corwin / The Clone
![Adrienne Barbeau](https://image.tmdb.org/t/p/w200//8uQqjG63SFCkmgdFB4SG8wRQmfp.jpg)
Adrienne Barbeau
Margaret Corwin
![Ray Milland](https://image.tmdb.org/t/p/w200//nqZGSLa9jS92hYlmkacFXxYwB2Y.jpg)
Ray Milland
Prof. Meredith
![David Sheiner](https://image.tmdb.org/t/p/w200//cl37rGKCP5XYHfeGvq37BxpmQEt.jpg)
David Sheiner
Prof. Sidney Hillstrom
![John Lehne](/_next/static/media/notFound.aecd17f8.png)
John Lehne
Lt. Merholz
![Denise DuBarry](/_next/static/media/notFound.aecd17f8.png)
Denise DuBarry
Ann Sweeney
![Jack De Mave](/_next/static/media/notFound.aecd17f8.png)
Jack De Mave
Roger
![Thomas Bellin](/_next/static/media/notFound.aecd17f8.png)
Thomas Bellin
Ed Linnick
![Heather Hobbs](/_next/static/media/notFound.aecd17f8.png)
Heather Hobbs
Jenny
![Eddie Quillan](https://image.tmdb.org/t/p/w200//p49Q3UZigqHlmrQYWa2RTNh6CGv.jpg)
Eddie Quillan
Watchman
![Raye Sheffield](/_next/static/media/notFound.aecd17f8.png)
Raye Sheffield
Clone
![Russell Shannon](/_next/static/media/notFound.aecd17f8.png)
Russell Shannon
Guard
![James Nolan](https://image.tmdb.org/t/p/w200//elakqIMwTQKP0zGmzu5T69sH0Zw.jpg)
James Nolan
Dr. Tapler
![Madeleine Shaner](/_next/static/media/notFound.aecd17f8.png)
Madeleine Shaner
Audrey Linnick
![Johnny Hock](https://image.tmdb.org/t/p/w200//nUFBLQ0gJr4E9FjpcxeIqW2vTry.jpg)
Johnny Hock
1st Skater
![Tom Elliott](/_next/static/media/notFound.aecd17f8.png)
Tom Elliott
2nd Skater
![Thomas McGowan](/_next/static/media/notFound.aecd17f8.png)
Thomas McGowan
Andrew Pauletta (uncredited)
![John Herman Shaner](/_next/static/media/notFound.aecd17f8.png)
John Herman Shaner
Fire Captain (uncredited)
![D.A. Young](/_next/static/media/notFound.aecd17f8.png)