Part of this movie was filmed in an abandoned prison in Gloucester, UK

When the movie was first announced, Josh Brolin, Maggie Gyllenhaal, Olivia Munn, David Oyelowo and Luke Evans were cast in the lead roles.

Filmed in Philadelphia.

Currently filming in Ridgewood, NY

Joel Kinnaman and Common previously appeared in Suicide Squad (2016).

Filming took place at Bethesda Terrace and Fountain in Central Park, New York

Second movie to feature Clive Owen in a movie about prison, the first being Inside Man (2008).

The prison scenes were filmed at Gloucester Prison, UK.