In which film is Norma Desmond a character?

Who played Dorothy Gale in 'The Wizard of Oz'? In which film is Rick Blaine a character? In which film is Ilsa Lund a character? Who played Norma Desmond in 'Sunset Boulevard'? In which film is Norman Bates a character? Who played Maria von Trapp in 'The Sound of Music'? In which film is Maria von Trapp a character? Who played Randle McMurphy in 'One Flew Over the Cuckoo's Nest'?