Ben Benjamin, 80, veteran Hollywood agent whose clients included Laurence Olivier and Ingrid Bergman. A native of Butte, Mont., Benjamin studied at UC Berkeley and served in the Navy during World War II. Among his earliest clients were Greer Garson, Claude Rains and Merle Oberon. In 1950, Benjamin joined Famous Artists, which later became International Creative Management. His client list included actors Burt Lancaster, John Gielgud and Lee Remick, as well as writers and directors. On Thursday in Brentwood of cancer.