According to Steve McQueen, Colin Farrell and Robert Duvall improvised many of their scenes.
Composer Hans Zimmer worked briefly on the original Widows (1983) TV series, as an assistant to the show's composer Stanley Myers.
This was Steve McQueen's first feature film that did not have Michael Fassbender in the cast.
The West Highland terrier featured in this film also appeared in Game Night (2018).
Tanera Marshall coached the actors on their Chicago accent. She collected samples, to avoid stereotypes, and left the choice to the director and actors to evaluate what best fit the characters. She then worked with each actor individually to refine pronunciation.
This was Steve McQueen's first film as a director since his Academy Award-winning film 12 Years a Slave (2013).
To co-write the screenplay, Steve McQueen turned to Gillian Flynn, author of several hit novels, some of which were adapted to film and television, such as (Gone Girl (2014), Dark Places (2015), Sharp Objects (2018)). She was immediately seduced by the project, as much for the place given to women as for Chicago which serves as a backdrop for the film.
Jennifer Lawrence was approached for a role, but declined due to scheduling conflicts.
Liam Neeson and Colin Farrell are both Irish actors, and this film was the first time they had worked together. They were both in the running for the role of James Bond, which eventually went to Pierce Brosnan and Daniel Craig respectively.
The original the 1983 British TV series Widows (1983) was set in London, England. Director Steve McQueen moved the setting to Chicago, United States.
The film has two Academy Award winners: Robert Duvall and Viola Davis; and three Academy Award Nominees: Liam Neeson, Jacki Weaver and Daniel Kaluuya. Additionally, Davis, Duvall, and Colin Farrell have all won a Golden Globe.
The film premiered at the Toronto International Film Festival (TIFF) in Canada in September 2018.
This film reunited Michelle Rodriguez and Colin Farrell, after they first appeared together in S.W.A.T. (2003).
Alice says she is Polish. She is played by Elizabeth Debicki, whose father is Polish.
When Veronica goes to find Jack Mulligan in his office, you can see a poster of the "Montecchi e Capuleti" from Romeo and Juliet. In the play there were two rival families, like the Mulligans and the Mannings.
Linda's shop sells clothes and ornaments for the fifteen years celebration (quinceanera). By this celebration, girls from Hispanoamerica are introduced into society and recognized as women.
There a Black Panther reference when Daniel Kaluuya's character Jatemme Manning is sitting in a car watching Veronica (Viola Davis character) come out of the bowling ally for the first time. A member of the original Black Panther group is talking on the car radio. Daniel Kaluuya played good guy turned bad, W'Kabi, in the 2018 Marvel movie Black Panther.
Both Colin Farrell and Jon Bernthal have ties to Daredevil. Farrell played the villain bullseye in the 2003 movie "Daredevil". Bernthal guest-starred on the "Daredevil" TV series playing Frank Castle aka The Punisher.
Colin Farrell, Daniel Kaluuya and Elizabeth Debicki all appeared in films of the Marvel comics. Farrell appeared in Daredevil (2003), Kaluuya in Black Panther (2018) and Debicki in Guardians of the Galaxy Vol. 2 (2017).
Both Liam Neeson and Viola Davis had appeared in films of the DC comics. Neeson appeared in Batman Begins (2005) and had a cameo in The Dark Knight Rises (2012), and Davis was in Suicide Squad (2016).
Both Jon And Garett have appeared in one of AMC's "The Walking Dead" shows. Jon in "The Walking Dead" and Garrett in "Fear The Walking Dead".
Liam Neeson and Lukas Haas appeared together in Leap of Faith (1992). Haas and Robert Duvall appeared together in Rambling Rose (1991). Duvall and Colin Farrell appeared together in Crazy Heart (2009).