Based on a true story about a family on the run from the government, often hiding in small towns, living in poverty

Jennifer Lawrence was attached to star and produce the movie for a long period of time but dropped out. Brie Larson was cast in the lead role after Lawrence dropped out.

Mark Ruffalo and Claire Danes were previously attached as Rex and Rose Walls.

In 2007, Jeannette Walls announced the film was in development and looking for a director.

Brie Larson's second collaboration with director Destin Daniel Cretton. She previously starred in his feature Short Term 12 (2013).

Sadie Sink, having already been a vegetarian, became a vegan after being inspired by Woody Harrelson and his family, with whom she became very close.

Shree Crooks and Charlie Shotwell have previously starred together in Captain Fantastic (2016), where they played brother and sister.

Brie Larson and Naomi Watts have both appeared in King Kong-related films. Brie Larson in Kong: Skull Island (2017), and Naomi Watts in Peter Jackson's King Kong (2005).

Brie Larson and Woody Harrelson both starred in Rampart (2011).

Before Brie Larson and Destin Daniel Cretton were attached, Jennifer Lawrence was cast as Jeanette Walls with Gary Ross set to direct. If this hadn't changed, Jennifer Lawrence, Woody Harrelson and Gary Ross would've had a reunion following The Hunger Games (2012).