Three Into Two Won't Go (1969)

Steve Howard, a British sales executive living in Manchester, England, begins an affair with a young hitchhiker, Elle Patterson, to emotionally get away from his marriage to his wife Francis. But when Elle moves into a room in Steve and Francis's house, he must keep the true nature of his relationship with Elle under wraps at all costs.

Directed by: Peter Hall

Starring: Rod Steiger, Claire Bloom, Judy Geeson, Peggy Ashcroft, Paul Rogers, Lynn Farleigh

Links: IMDb, Movie posters, Movie stills