Stanley Tucci, who co-directed Big Night, and Tony Shalhoub have worked together several times including Tucci's followup film The Impostors (1998) and on Shalhoub's Monk TV series.
When Ann arrives at the restaurant and is standing at the bar, she is wearing black heels. Then, as she walks over to look at the paintings with Primo, she is wearing flat white shoes. When she later dances with Primo, she is wearing black heels again.
Pascal: A guy works all day, he don't want to look at his plate and ask, "What the fuck is this?" He wants to look at his plate, see a steak, and say "I like steak!"