Jill Arlyn Oppenheim (born August 19, 1940), professionally known as, Jill St. John, is an American actress. She is best known for her role as Tiffany Case, the Bond girl in Diamonds Are Forever (1971). St. John was born Jill Arlyn Oppenheim in Los Angeles, California, the daughter of Betty Lou and Edward Oppenheim, who owned a restaurant. She graduated from Hollywood Professional School in the spring of 1955 at age 14. St. John began acting on radio at age six. In December 1949, at age nine, she appeared in the first full-length made-for-TV movie, a production of A Christmas Carol. At age 11 she appeared in two episodes of The George Burns and Gracie Allen Show. In 1957, at age 16, Universal Pictures signed St. John to a contract.