First They Killed My Father is the title of a book and a film based on the book. The book is a memoir by Loung Ung, who survived the Cambodian genocide under the Khmer Rouge regime in the 1970s. The film is directed by Angelina Jolie and stars Sareum Srey Moch as Loung Ung. Both the book and the film depict the horrors of war, the loss of family, and the resilience of the human spirit.