Ruth Elizabeth "Bette" Davis (April 5, 1908 – October 6, 1989) was an American actress of film, television and theater. Regarded as one of the greatest actresses in Hollywood history, she was noted for her willingness to play unsympathetic, sardonic characters and was reputed for her performances in a range of film genres, from contemporary crime melodramas to historical and period films and occasional comedies, although her greatest successes were her roles in romantic dramas.

Joseph Leo Mankiewicz (February 11, 1909 – February 5, 1993) was an American film director, screenwriter, and producer. Mankiewicz had a long Hollywood career, and he twice won the Academy Award for both Best Director and Best Writing, Screenplay for A Letter to Three Wives (1949) and All About Eve (1950).

Celeste Holm (April 29, 1917 – July 15, 2012) was an American stage, film and television actress. Holm won an Academy Award for her performance in Gentleman's Agreement (1947), and was Oscar nominated for her roles in Come to the Stable (1949) and All About Eve (1950). She originated the role of Ado Annie in the Rodgers and Hammerstein musical Oklahoma! (1943).

Sunset Boulevard (stylized onscreen as SUNSET BLVD.) is a 1950 American black comedy/drama film noir directed and co-written by Billy Wilder, and produced and co-written by Charles Brackett. It was named after the boulevard that runs through Los Angeles and Beverly Hills, California.