The "Night of Terror" scene where Lucy Burns' hands were handcuffed above her head actually took place. It happened on November 14, 1917.
For the hunger strike scenes, Hilary Swank chose to eat very little and shed several pounds.
The final acting role of Carrie Snodgress.
The film cast includes two Oscar winners: Hilary Swank, Anjelica Huston; and two Oscar nominees: Vera Farmiga and Carrie Snodgress.
The device used to hold Hilary Swank's mouth open during the force feeding scene is a speculum.