The Shining twins were played by a pair of real life twins named Lisa & Louise Burns. They doubtlessly hold the record for being actors most famous for being on screen the least amount of time. Neither made another film.
The Godfather - Saul Bass - Non-Alamo Graphic Art Movie Posters. Although he uses a lot of bold and solid shapes in his work they form familiar images like this one representing the movie called The Godfather.