Megan Leavey is a 2017 American biographical drama film directed by Gabriela Cowperthwaite and written by Pamela Gray, Annie Mumolo, and Tim Lovestedt, based on the true events about a young female Marine named Megan Leavey and a combat dog named Rex. The film stars Kate Mara as the titular character, with Edie Falco, Common, Ramón Rodríguez, and Tom Felton in supporting roles.

Kate Rooney Mara is an American actress. She is known for work in television, playing reporter Zoe Barnes in the Netflix political drama House of Cards, computer analyst Shari Rothenberg in the Fox thriller series 24 (2006), wronged mistress Hayden McClaine in the FX miniseries American Horror Story: Murder House (2011), Patty Bowes in the first season of the FX drag ball culture drama series Pose (2018), and a teacher who begins an illicit relationship with an underage student, in the FX miniseries A Teacher (2020). For the latter, she received an Independent Spirit nomination for Best New Scripted Series as an executive producer.