The opening shot is of director Hal Ashby's actual (and short-lived) marriage to actress Joan Marshall. He is flanked by the film's star, Beau Bridges (his best man) on the left and producer Norman Jewison on the right.
The building Elgar buys is at 51 Prospect Place in Brooklyn, New York City. It was built in 1901. As of 2020 it has been divided into two condominiums and is valued at about $3,500,000.
Director Hal Ashby had initially intended to film in Philadelphia, where the novel is set. However, that would have caused higher costs for housing the cast and crew, so it turned out to be less expensive to film in New York City.
Lee Grant's Best Supporting Actress Oscar nominated performance was the only one in the category not in a Best Picture nominee that year.
First time Diana Sands and Louis Gossett Jr. have appeared together since A Raisin in the Sun (1961).