This thin-approaching-gaunt actor with a receding hairline rose to prominence as the stuttering, frail Billy Bibbit in Milos Forman's "One Flew Over the Cuckoo's Nest" (1975), and has gone on to play a variety of both tormented characters and spine-chilling evil ones. Brad Dourif arrived in NYC after dropping out of college at age 19 and joined the Circle Repertory Company where he won his first notice as Stephen in the original company of "When You Comin' Back Red Ryder?" in 1972. Although he had appeared in a bit part in "W.W. and the Dixie Dancekings" (1974), Dourif had his first role of