Katharine Juliet Ross (born January 29, 1940) is an American film and stage actress. She starred in three of the most popular films of the 1960s and 1970s: as Elaine Robinson in The Graduate (1967), for which she won a Golden Globe Award and received an Academy Award nomination for Best Supporting Actress; as Etta Place in Butch Cassidy and the Sundance Kid (1969), for which she won a BAFTA Award for Best Actress; and The Stepford Wives (1975).