Goofs

In the opening scene, you can clearly see that the actor stabs the table next to the woman, and not her stomach.

Although the movie is set in December, 1971, a character shampoos with two very large plastic bottles of Paul Mitchell Shampoo. John Paul Mitchell Systems was not founded until 1980, and their signature shampoo was not created until 1983.

Although the movie is set in December, 1971, a character opens a box from jewelry retailer Zales which prominently features the company's modern slender logo, which was created in 2005. The Zales logo used from 1969 to 1984 was presented in an extremely boldface type.