Any Wednesday is a 1966 American Technicolor romantic comedy film starring Jane Fonda, Jason Robards, and Dean Jones. It was directed by Robert Ellis Miller from a screenplay by producer Julius J. Epstein based on the Broadway play of the same name by Muriel Resnik, which ran for 984 performances from 1964 to 1966. The film was titled Bachelor Girl Apartment in the UK.
John Cleves (Jason Robards) is a businessman with an office in New York and a home in New Jersey. On one day of each week, Wednesday, he spends the night in the city, lying to wife Dorothy (Rosemary Murphy) that he is out of town on business when he actually is seeing Ellen, his mistress (Jane Fonda).