Guess Who's Coming to Dinner (1967)

After a ten-day Hawaiian vacation, Joanna Drayton (Houghton) returns to her San Francisco home with John Prentice (Poitier), her brand-new fiance. Although he's a successful doctor, her parents, Christina (Hepburn) and Matthew (Tracy), are taken aback when they discover John is Black. While he quickly wins over Christina with his charm and intelligence, Matthew is more hesitant.