His birth name was William Warren Bush. His is also called Billy.

Billy Green Bush appeared in the movie 40 Carats(1973), Alice Doesn't Live Here Anymore(1974), Critters(1986), Jason Goes to Hell: The Final Friday(1993), Rampage(1988), "The Incredible Hulk"(1978), The Organization(1971), The Organization(1971), The Reivers(1969), The River(1984), Tom Horn(1980)。