Being There (1979)

Shirley MacLaine, Peter Sellers, Fredric Lehne, Basil Hoffman

Simple-minded gardener Chance has spent all his life in the Washington D.C. home of an old man. When the man dies, Chance is put out on the street with no knowledge of the world except what he has learned from television. After a run-in with a limousine, he ends up a guest of Eve and her husband Ben