Kevin Peter Hall
Kevin Peter Hall (May 9, 1955 – April 10, 1991) was an American actor known for his roles in Misfits of Science, Prophecy, Without Warning, and Harry and the Hendersons. He was also best known as the title character in the first two films in the Predator franchise. Description above from the Wikipedia article Kevin Peter Hall, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Predator
(Predator / Helicopter Pilot)
Predator 2
(The Predator)
Harry and the Hendersons
(Harry)
One Dark Night
(Eddie)
Monster in the Closet
(The Monster)
The Wild Life
(Bouncer (as Kevin Hall))
Rodney Dangerfield: Opening Night at Rodney's Place
(Richard Small)
Mazes and Monsters
(Gorvil)
Prophecy
(Mutant Bear)
Without Warning
(The Alien)
Big Top Pee-wee
(Big John)
Misfits of Science
(Dr. Elvin 'El' Lincoln)
The Hunters and the Hunted: The Making of 'Predator 2'
(Self (archive footage))
Highway to Hell
(Charon)
Night Court
(Wendell Martin)
Star Trek: The Next Generation
(Leyor)
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Misfits of Science
(Dr. Elvin 'El' Lincoln)
E/R
Harry and the Hendersons
(Harry)