It took director Larysa Kondracki eight years to get the film made. The signing on of Rachel Weisz in the lead was instrumental in moving the project forward.
Rachel Weisz first read the script in 2005 when she was pregnant, but turned it down because she didn't think she could play the harsh role of Bolkovac at that time. In 2009, after learning that the film never went ahead, she accepted the role and the film entered into production.
A rape scene, in which the fictionalized character of Raya is brutalized with a lead pipe. had to be toned down as one viewer fainted during a preview screening in Toronto.
When Kathryn is asked to return her ID at the HQ, her right-side shirt collar is unfolded. When she is escorted, the collar is folded again, and in the next shot it is the left-side collar that is unfolded.
Kathryn Bolkovac: [email to authorities]
We are peacekeepers who came to protect the innocent, but now prey upon them in the worst ways possible. We may be accused of thinking with our hearts instead of our heads, but we will have our humanity.