Bo Derek (born Mary Cathleen Collins; November 20, 1956) is an American film and television actress, movie producer, and model perhaps best known for her role in the 1979 film 10. The film also launched a bestselling poster for Derek in a swimsuit, and subsequently she became one of the most popular sex symbols in 1980s. However, Derek's later films were not well received by either the public or critics and her film career never recovered. Today she makes the occasional film, television and documentary appearance.Bo Derek was born Mary Cathleen Collins in Long Beach, California. She is of Irish, French, Dutch and Welsh descent. Her father, Paul Collins, was a Hobie Cat executive, and her mother, Norma Bass, a make-up artist and hairdresser to Ann-Margret. Derek's parents divorced, and her mother married American stunt performer Bobby Bass.