Older sister of actress Dey Young and writer/director Lance Young.
Special advisor in arts and media for the United Nations Environment Programme (UNEP), as well as a representative for the Institute for the Study of Individual & World Peace. Also the Goodwill Ambassador for the United Nations for ICEBRIDGE: First Arctic Environmental Forum in 1995.
Said in an interview that she was very nervous about doing her love scene with Charlton Heston in Soylent Green (1973).
Until 1999 she lived at 1221 N. Kings Rd. in the same apartment where Jack Cassidy had died in 1976.
Speaks on behalf of the Institute for Individual & World Peace and has worked with Ted Turner's Better World Society, UNEP (United Nations Environment Program), Hands Across America, Heartfelt Foundation, American Cancer Society and has hosted the Muscular Dystrophy Telethon.
When a New York play she was appearing in suddenly closed after only five weeks, she became so stressed out that she contracted pneumonia. While recuperating at a Palm Springs (CA) spa, she was introduced to organic food and healthy, rejuvenating sunshine, turned her life around and has to this day maintained her "Total Health" regimen of meditation, physical movement and healthy nutrition.
Is sometimes confused by fans with Susan Sarandon and Lesley Ann Warren.
While filming the shower scene with Charlton Heston in Soylent Green (1973), she tried to break tension by joking that perhaps Heston could part the shower water, a reference to his star-making role as Moses in The Ten Commandments (1956). Heston allegedly did not understand the reference.
Mother of Patrick O'Neal (from her marriage to Ryan O'Neal).
Former daughter-in-law of Charles O'Neal and Patricia O'Neal.
Former sister-in-law of Kevin O'Neal.
Both she and her younger sister Dey Young made guest appearances in Star Trek: Deep Space Nine (1993): Dey in Star Trek: Deep Space Nine: A Simple Investigation (1997) and Leigh in Star Trek: Deep Space Nine: Prodigal Daughter (1999).