The Grass Is Greener (1960)

Victor and Hillary are down on their luck to the point that they allow tourists to take guided tours of their castle. But Charles Delacro, a millionaire oil tycoon, visits, and takes a liking to more than the house. Soon, Hattie Durant gets involved and they have a good old fashioned love triangle.

Directed by: Stanley Donen

Starring: Cary Grant, Deborah Kerr, Robert Mitchum, Jean Simmons, Moray Watson, Joan Benham

Links: IMDb, Movie posters, Movie stills