The book "Fanny Hill" that Abbey reads was first published in two volumes in 1748-9. It was written by John Cleland. Originally titled "Memoirs of a Woman of Pleasure," it is considered to be the first English pornographic novel.
In his autobiography, Ozzie Nelson remembered when he and his wife attended a 1965 Broadway play, "it seemed as if everyone in the audience turned to see what our reaction would be - as if worried that we might be offended." On the contrary, they liked the play enough to take on the leading roles of the stressed-out mother and father in stage productions of The Impossible Years on the West Coast and at Chicago's Drury Lane Theatre. He recalled that their conservative "Ozzie and Harriet" image helped get laughs in many scenes. When the screen version of The Impossible Years (1968) was made, Nelson took the unusual step of accepting a supporting role. The film featured the final movie performance of Ozzie Nelson.
Cristina Ferrare and Darleen Carr play sisters aged 17 and 13, respectively, but they were born less than a year apart in 1950.
Based on a Broadway play of the same title that opened at the Playhouse Theatre, 137 W. 48th St., on October 13, 1965 and ran for 670 performances. This was the last play at the theater which was demolished in 1969 for an expansion to Rockefeller Center.
From a January 1967 article in the Los Angeles Times, Peter Sellers was announced as the lead, but David Niven was signed by May.