His acting roles include "Ambush Bay" (1966), "In the Heat of the Night" (1967), "Counterpoint" (1968), "Von Richthofen and Brown" (1971), "Tomorrow" (1972), "The Exorcist" (1973), "Man on a Swing" (1974) and "Gardens of Stone" (1987). In 1978, he won the Drama Desk Award.