Greg Stillson

Greg Stillson is the main antagonist of the Stephen King novel The Dead Zone and its movie adaptation, and one of the main antagonists of its TV series adaptation. He was portrayed by Martin Sheen in the movie and by Sean Patrick Flanery in the series.

History
Greg Stillson is a mentally unstable politician who wants to be elected President of the United States. During a rally in the town of Trimbull, he shake hands with the psychic Johnny Smith, who has a vision of Stillson becoming President and starting a nuclear war. A few days later, Johnny decides to assassinate Stillson and tries to shoot him during another rally. Unfortunately, he misses several times and Stillson grabs a child in order to use him as a human shield. Johnny is then shot and mortally wounded, but before dying he has a vision of Stillson losing elections.

In the film, Stillson commits suicide after losing the elections.