Best movies that are oscar winners in writing (story and screenplay--written directly for the screen) category

Actors : Katharine Houghton, Sidney Poitier, Katharine Hepburn, Spencer Tracy,
Directors : Stanley Kramer,

A couple's attitudes are challenged when their daughter introduces them to her African American fiancé.

Actors : Shirley MacLaine, Jack Lemmon, Ray Walston, Fred MacMurray,
Directors : Billy Wilder,

A man tries to rise in his company by letting its executives use his apartment for trysts, but complications and a romance of his own ensue.

Actors : Pat Hingle, Natalie Wood, Warren Beatty, Audrey Christie,
Directors : Elia Kazan,

A fragile Kansas girl's love for a handsome young man from the town's most powerful family drives her to heartbreak and madness.

Actors : Leslie Caron, Jack Good, Trevor Howard, Cary Grant,
Directors : Ralph Nelson,

During World War II, a man persuaded to live on an isolated island and spot aircraft finds himself responsible for a teacher and several students, all female.

Actors : José Luis de Vilallonga, Dirk Bogarde, Laurence Harvey, Julie Christie,
Directors : John Schlesinger,

A beautiful but amoral model sleeps her way to the top of the London fashion scene at the height of the Swinging Sixties.