The bulk of this film was shot using natural light.
The house and sets were all built from scratch.
Olivia Wilde was originally cast in the lead role but dropped out due to scheduling conflicts. Brit Marling replaced her.
Contrary to what many reviews have stated, the historical period depicted in the film is not Sherman's March to the Sea (aka the Savannah Campaign) of the winter of 1864, but the Carolinas Campaign during the spring of 1865.
The screenplay by Julia Hart was featured on the 2012 Black List, a list of the most liked unmade scripts of the year.