Scenes from "The Thomas Crown Affair" (1968) appear on the TV in the background when Frank and Roz are in the borrowed mansion. Yaphet Kotto, who plays FBI agent O'Malley in this movie, also appeared in "The Thomas Crown Affair", and Denis Leary appeared in the 1999 remake.
During filming, Sandra Bullock discovered she is allergic to horses.
The pinball machine barely visible in the background of the bar is Gottlieb's Spirit of 76 from 1976.
Julia Montgomery Brown's debut.