A native of Puyallup, Washington, Butler was interested in the arts while growing up. She sang in choirs, entered singing competitions, and performed in high school and community theatre. She relocated to Los Angeles to study theatre at the University of Southern California, and then played Belle, the princess in Beauty and the Beast, for a year and a half at Disneyland. She dropped out of college, focused on finding a talent agent, and began auditioning for work in television and film. Butler guest-starred on the television series CSI: Miami and CSI: NY.She was cast in the film A Couple of White Chicks at the Hair Dresser and the 2008 Syfy TV horror film Flu Bird Horror. She had a role that year on the web series Luke 11:17, directed by Don Stark. She also had a recurring role on the web series I Love Vampires.Butler won the lead in the 2010 rape and revenge thriller, I Spit on Your Grave, a remake of the 1978 cult film of the same title. Although initially put off by the film's nudity and violence, the film's strong character arc and "feminist edge" helped convince her to take the role.Butler starred as Jennifer Hills, a novelist who is brutally gang raped while staying at a cabin in the woods; her character then seeks revenge on her rapists. Directed by Steven R. Monroe, the film was released on October 8, 2010. Butler began filming the psychological thriller, The Stranger Within, alongside Estella Warren and William Baldwin in Mallorca, Spain in November 2011. The film was also scheduled to shoot in Copenhagen, Denmark and New York City.She joined the cast of the independent feature Treachery, starring Michael Biehn, which began filming in Los Angeles in June 2012. Butler starred in the 2013 horror film, The Demented, with Michael Welch and Kayla Ewell.