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.
Melvin Frank
George Segal, Glenda Jackson, Paul Sorvino, K Callan, Cec Linder, Michael Elwyn, Mary Barclay, Nadim Sawalha
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