First film appearance as the retarded Billy in Peter Bogdanovich's classic, "The Last Picture Show"; appeared in several scenes with older brother Timothy
1973
Garnered notice playing Marty in "The Class of 44"
1976
First collaboration with Clint Eastwood in "The Outlaw Josey Wales"
1979
Played hotshot PFC Lance in Francis Ford Coppola's "Apocalypse Now"; co-starred Marlon Brando and Martin Sheen
1980
Again worked with Clint Eastwood on the Western comedy "Bronco Billy"