Bradford Claude "Brad" Dourif (born March 18, 1950) is an American actor who gained early fame for his portrayal of Billy Bibbit in One Flew Over the Cuckoo's Nest, and has since appeared in a number of memorable roles. He is best known for his leading role as Charles Lee Ray aka Chucky (both live-action and voiceover) in the Child's Play franchise, Deputy Clinton Pell in Mississippi Burning, Younger Brother in Ragtime, Piter De Vries in David Lynch's Dune, Gríma Wormtongue in The Lord of the Rings and Doc Cochran in the HBO television series Deadwood.