Natural around Los Angeles, California to Irish-American Hollywood movie screenwriter Charles O'Neal and actress Patricia Callaghan (who was of Irish and Russian Jewish descent), O'Neal first shot to stardom on the soap opera Peyton Place. His role in Love Story gained him an Academy Award nomination for Best Actor. Farther starring roles develop been inside Paper Moon (co-starring his daughter Tatum O'Neal), Barry Lyndon, and the Love Story sequel, ''Oliver's Story. He has too appeared around many television performances.

Filmography
This Rugged Land (1962) The Big Bounce (1969) The Games (1970) Love Story (1970) The Moviemakers (1971) (short subject) Wild Rovers (1971) What's Up, Doc? (1972) The Thief Who Came to Dinner (1973) Paper Moon (1973) Barry Lyndon (1975) Nickelodeon (1976) A Bridge Too Far (1977) The Driver (1978) Oliver's Story (1978) The Main Event (1979) So Fine (1981) Green Ice (1981) Partners (1982) Irreconcilable Differences (1984) Fever Pitch (1985) Tough Guys Don't Dance (1987) Chances Are (1989) Faithful (1996) Hacks (1997) An Alan Smithee Film: Burn Hollywood Burn (1997) Zero Effect (1998) Coming Soon (1999) The Gentleman Bandit (2000) The List (2000) People I Know (2002) Malibu's Most Wanted'' (2003)

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