Anne Meara's husband, Jerry Stiller and daughter, Amy Stiller, make a cameo appearance at the wedding reception.
Sylvester Stallone was an extra in this film. He briefly appears as a groomsman in the wedding scene.
The original Broadway production of "Lovers and Other Strangers", written by actors Renée Taylor and Joseph Bologna, opened on September 18, 1968, at the Brooks Atkinson Theatre and ran for seventy performances. Renée Taylor also performed in the stage play and wrote the screenplay with her husband Joseph Bologna.