According to Burstyn's autobiography "Lessons in Becoming Myself", Burstyn and Julia Anne Robinson fell off the back of the golf cart in the Miss America scene when Bruce Dern took off too fast. Robinson hit her head and spent a few days in the hospital as a result.
Early in the film, David passes a piece of graffiti that reads "H.D. Stanton", a reference to Jack Nicholson's friend, actor Harry Dean Stanton.
The name "Marvin Gardens" is derived from Margate City and Ventnor City NJ, and is a housing area in Margate City, Atlantic County, New Jersey, United States, located two miles south of Atlantic City. Marven Gardens is famous as a yellow property on the original version of the Monopoly game board, although the game misspelled the name as "Marvin Garden." It is the only property on the Monopoly board that is not located within Atlantic City.
This was Julia Anne Robinson's only major film role. She died in an apartment fire two years after its release.