The document provides information about the 1950 film Sunset Boulevard, directed by Billy Wilder. It stars William Holden as Joe Gillis and Gloria Swanson as Norma Desmond. The film has been recognized as one of the greatest and most influential films ever made. It was selected as one of 25 landmark films by the Library of Congress in 1989 and voted the 12th greatest film by the American Film Institute in 1998. In 2007, the AFI rated it the 16th greatest film of all time.