
William Warren Bush (born 1935) is an American actor, sometimes credited as “Billy Greenbush”. Notable movie appearances include Five Easy Pieces (1970), The Culpepper Cattle Company (1972), Electra Glide in Blue (1973), Alice Doesn't Live Here Anymore (1974), The River (1984), The Hitcher (1986), Critters (1986) and Jason Goes to Hell: The Final Friday (1993). He has also appeared frequently on television, including a recurring role as Bobby Angel on Hill Street Blues and a memorable episode of MAS*H. He later appeared as Vernon Presley, the father of Elvis Presley, in the series Elvis. Bush is the father of twins Lindsay and Sidney Greenbush (who starred as Carrie in Little House on the Prairie) and actor Clay Greenbush.

40 Carats
1973 · as J.D. Rogers

The Hitcher
1986 · as Trooper Donner

Critters
1986 · as Jay Brown

Jason Goes to Hell: The Final Friday
1993 · as Sheriff Ed Landis

Five Easy Pieces
1970 · as Elton

Alice Doesn't Live Here Anymore
1974 · as Donald Hyatt

Critters 3
1991 · as Dad (archive footage)

The Organization
1971 · as Dave Thomas

The River
1984 · as Harve Stanley

The Deliberate Stranger
1986 · as Officer Bradley

Tom Horn
1980 · as Joe Belle

The Reivers
1969 · as Patron

The Jericho Mile
1980 · as Warden Earl Gulliver

Monte Walsh
1970 · as Powder Kent

Elvis and Me
1988 · as Vernon Presley

Electra Glide in Blue
1973 · as Zipper

Rampage
1987 · as Judge McKinsey

Conagher
1991 · as Jacob Teale