A Touch of Class (1973)

Steve, a happily married American man living in London meets Vicki, an English divorcée and run off to Marbella for a rollicking week of sex. They then return to London to set up a cozy menage, despite the fact that he loves his wife and children, and now realize that he and Vicki have also fallen in love.

Directed by: Melvin Frank

Starring: George Segal, Glenda Jackson, Paul Sorvino, K Callan, Cec Linder, Michael Elwyn

Links: IMDb, Movie posters, Movie stills