Bradford Claude "Brad" Dourif (born 18 March 1950) is an American film and television actor.
He gained fame as Billy Bibbit in One Flew Over the Cuckoo's Nest. Dourif frequently plays eccentric or disturbed characters including the voice of Chucky in the Child's Play franchise, the mentat Piter De Vries in David Lynch's Dune, Gríma Wormtongue in The Lord of the Rings, the homicidal Betazoid Lon Suder in the TV series Star Trek: Voyager, as well as the serial killer Charles Dexter/Brother Edward.
Dourif was born in Huntington, West Virginia. From 1963 to 1965, Dourif attended the private Aiken Preparatory School in Aiken, South Carolina. There he pursued his interests in art and acting. Although he briefly considered becoming an artist, he was eventually inspired to become an actor by his mother's participation as an actress in a community theater. After Aiken Prep, he attended another private school, Fountain Valley School in Colorado Springs, Colorado, graduating in 1969. He attended Marshall University for a time, before quitting college and moving to New York City to study acting.