Ryan O'Neal was born on 01 Apr 1941 in Los Angeles, California, USA. His birth name was Patrick Ryan O'Neal. His height is 185cm.

Ryan O'Neal appeared in the movie A Bridge Too Far(1977), Barry Lyndon(1975), Chances Are(1989), Fever Pitch(1985), Hacks (1997/I)(1998), Hacks (1997/I)(1997), Irreconcilable Differences(1984), Malibu's Most Wanted(2003), Nickelodeon(1976), Oliver's Story(1978), Paper Moon(1973), Partners(1982), People I Know(2002), "Peyton Place"(1964), So Fine(1981), The Main Event(1979), The Thief Who Came to Dinner(1973), What's Up, Doc?(1972)。