Stories from the set

Margot Robbie was born two years before her character Harley Quinn first appeared in the animated series «Batman» (1992-1995), after which this character was adapted into comics.

Felicity Jones, Imogen Poots, Alison Brie, Mila Kunis, Olivia Wilde, Emma Watson, Rachel McAdams, Zooey Deschanel, Kat Dennings, Jennifer Lawrence, Lindsay Lohan, Alice Eve, Amanda Seyfried and Evan Rachel Wood were considered for the role of Harley Quinn.

Cara Delevingne was the main contender for the role of Harley Quinn, but Margot Robbie ultimately got the part. Delevingne was instead cast as Enchantress.

Oprah Winfrey, Viola Davis, Kerry Washington and Octavia Spencer were considered for the role of Amanda Waller. The role went to Viola Davis.

Deathstroke was intended to appear in the film in a small cameo. Joe Manganiello was considered for the role.

Luke Evans, Bradley Cooper, Mark Wahlberg, Tom Cruise, Joel Edgerton, Jon Bernthal and Jake Gyllenhaal were considered for the role of Rick Flag.

In the comics, Deadshot is Latino, not African American as shown in the film.

Most of the actors involved in the film, including Will Smith and Margot Robbie, got a "SKWAD" tattoo to mark their involvement in the film.

The film is released in the year of the 50th anniversary of the Joker's debut in cinema. That role was played by Cesar Romero in the TV series "Batman" (1966-1968) and in Leslie H. Martinson's film of the same name (1966).

The character Captain Boomerang, played by Jai Courtney, appears in the TV series «Arrow» (2012), where the role is played by Nick E. Tarabay. Courtney and Tarabay both appeared in the TV series «Spartacus: Blood and Sand» (2010).