John Huston is the only director to direct two members of his own family to win Academy Awards. The first was his father Walter Huston in The Treasure of the Sierra Madre (1948), who won Best Actor in a Supporting Role, then his daughter Anjelica Huston won Best Actress in Supporting Role for this movie.

The studio, expecting the film to perform poorly at the box office, pushed for a relatively quick release onto home video. However, the film was one of the "sleeper" hits of the season, thanks to terrific reviews and positive word of mouth, and had a lengthy stay in theatres, and was still in theatres, in fact, when it was released to video stores.

The yellow jacket that Jack Nicholson wears when he and Kathleen Turner are having a drink together was his own personal jacket. Anjelica Huston purchased the jacket for Nicholson.

Film debut of Stanley Tucci.

There are reports that John Huston's continual advice to Jack Nicholson before takes was "Remember, he's stupid."

Julie Bovasso taught Jack Nicholson how to speak "Brooklynese". Researching the role, he hung out in lowlife dives in Brooklyn.

Jack Nicholson gained thirty pounds to play Charley Partanna.

John Huston was in very poor health with emphysema when he directed this movie. He required the use of an oxygen tank on the set to help him breathe.

This was the only "Prizzi" story to be adapted from one of Richard Condon's "Prizzi" novels.

John Huston's Best Director Academy Award nomination for this film made him the oldest ever to be Oscar nominated for directing. Huston was seventy-nine, and the record still stands as of August 2013.

After reading the script, Jack Nicholson initially turned down his role in this movie, because he thought it was too dark. He was told that the movie was a comedy and said "It's a comedy?", re-read the script, and took the part.

Kim Basinger reportedly wanted the role of Irene, but John Huston turned her down.

Jack Nicholson was John Huston's first choice to play Charley Partanna.

Anjelica Huston worked hard to get her characterization of a mafia daughter right. "It was up to us to get our accents down, so Jack [Nicholson] went to the Brooklyn betting shops and I went to a Brooklyn church." During preproduction she was in the costume department trying on a black designer dress from the fifties with a frilly taffeta piece that came over the shoulder. She told the designer it would be interesting to take off the ruffle and drape it in Schiaparelli pink. "Just then my father entered the room, and said, 'Well, what do you think about making the ruffle in Schiaparelli pink?' That was the moment I knew there was no separation in how we saw the character."

The last movie that John Huston directed that is set in the United States. His final film, The Dead (1987), was set in Ireland, but only 2nd unit work was done in Dublin. All the scenes directed by Huston were filmed in Valencia, California.

Screenwriter Janet Roach sent the book and the screenplay of this movie to John Huston.

The only movie Jack Nicholson and then lover Anjelica Huston appeared in that was directed by Anjelica's dad John Huston. Both men only ever co-starred as the adversarial characters Jake Gittes & Noah Cross in Roman Polanski's Chinatown (1974).

The film cast includes two Oscar winners: Jack Nicholson and Anjelica Huston; and four Oscar nominees: Robert Loggia, Kathleen Turner, William Hickey, and Stanley Tucci.

This was film critic Pauline Kael's favorite movie in the summer of 1985.

On the poster for this movie, Jack Nicholson is shown smoking a cigarette. However, there are no scenes within the film of Nicholson smoking.

Included among the American Film Institute's 2000 list of the 500 movies nominated for the Top 100 Funniest American Movies.

Al Pacino was offered the role of Charley, but turned it down.

One of the reasons why Jack Nicholson decided to star in this movie was because he wanted to be directed by John Huston.

Features William Hickey's only Oscar nominated performance.

Included among the "1001 Movies You Must See Before You Die", edited by Steven Schneider.

Tom Hanks, Dustin Hoffman, Bill Murray, Ryan O'Neal, Christopher Reeve, Burt Reynolds, Sylvester Stallone, John Travolta, and Jon Voight were considered for the role of Charley.

Kay Lenz was originally cast as Irene.

Not only was this a family affair, with John Huston casting his daughter, Anjelica Huston and Jack Nicholson, but it was a reunion of sorts as well. Huston used old friends and co-workers: his former secretary, Ann Selepegno played the Don's wife; his first script girl on The Maltese Falcon (1941), Meta Rebner, was script supervisor, and Rudi Fehr, who was the editor on Key Largo (1948) came out of retirement.

Anjelica Huston and Jack Nicholson, who had lived together for several years, found that working together all day and going home to be together all night would be difficult, so they lived in different hotels while on location in Brooklyn. Said Anjelica, "I don't endorse the idea that actors should live their parts, but in spite of oneself, it sometimes does follow you home. There were elements of the hit-man in Jack at the time and I didn't want to be around him too much. Jack said that he generally dropped Charley Partanna [his character] toward dinnertime. I said that I often carried Maerose [her character] through to dessert."

Tomasino Baratta is besides "technical advisor" in the cast as "Opera singer", and is as such presented in the movie under his real name, although his screen time is only a few seconds.

Liza Minnelli was originally offered the role of Maerose, but turned it down.

Rosanna Arquette, Linda Blair, Geena Davis, Mia Farrow, Carrie Fisher, Melanie Griffith, Daryl Hannah, Kelly LeBrock, Heather Locklear, Jennifer Jason Leigh, Demi Moore, Sarah Jessica Parker, Michelle Pfeiffer, Ally Sheedy, Emma Thompson, Sela Ward, and Debra Winger were considered for the part of Maerose.

This is the first film on which Lawrence Tierney has worked with a cinematographer called Andrzej. He's Andrzej Bartkowiak. Tierney worked with cinematographer Andrzej Sekula on Reservoir Dogs (1992). Incidentally, Jack Nicholson previously worked with Bartkowiak on Terms of Endearment (1983).

Kristy McNichol, Tatum O'Neal, and Brooke Shields were considered for the role of Irene Walker.

When Charley and Irene are having a drink together, Charley only takes one sip of his drink.

When Irene throws the baby at Filargis bodyguard he pulls out his gun instinctively. Irene who was concealing her Astra constable in the pocket of her mac would never have had time to pull it out and fire at him. In addition in the next jump shot of him he is not even holding a gun as Irene shoots him through the heart

In the wedding reception scene, there is an instrumental version of the song Strangers in the Night.

John Huston and John Randolph previously worked together in the short film Independence(1976).

The only film that year to be nominated for Best Supporting Actor and Best Supporting Actress Oscars.

John Huston and William Hickey previously worked together in Wise Blood(1979).

There's a theory held by many that Irene deliberately missed when she fired at Charlie before he kills her. She subconsciously commits suicide essentially due to her feelings for him. This allows him to impale her through the throat with a dagger he was concealing. It rings through possibly considering she was a pro killer and in fact a very dangerous woman concealed by her great beauty

The voice that is heard saying "Maerose" off-camera when Anjelica Huston is putting make-up on her face in the scene when she tries to kill her father, is actually voiced by John Huston, who was Anjelica's real-life father.

Irene Walker and her first husband Marxie Heller both end up the same way: dead by Charlie's hand and stuffed into the trunks of their cars.