Vertigo (1958) - Alfred Hitchcock directed this psychological thriller starring James Stewart and Kim Novak. Maybe not a horror film, but difinitely a thrill!
Whatever Happened to Baby Jane? (1962) is a psychological thriller about two sisters and their jealous relationship. It starred Joan Crawford and Bette Davis. Bette Davis’ character, Baby Jane, was ranked as #44 on the 50 Best Villains of American Cinema.
Gigi (1958) won 9 oscars, including Best Director, Best Picture, and Best Screenplay adaptation. It’s not only a great musical, but a fun film to watch.