The Girl on the Train is a 2016 American mystery psychological thriller film directed by Tate Taylor and written by Erin Cressida Wilson, based on the popular 2015 debut novel of the same name by British author Paula Hawkins. The film stars Emily Blunt, Rebecca Ferguson, Haley Bennett, Justin Theroux, Luke Evans, Allison Janney, Édgar Ramírez, and Lisa Kudrow. The film follows an alcoholic divorcée who becomes involved in a missing person investigation.

Emily Olivia Laura Blunt is a British actress. She is the recipient of several accolades, including a Golden Globe Award and two Screen Actors Guild Awards, in addition to nominations for an Academy Award and four British Academy Film Awards. Forbes ranked her as one of the highest-paid actresses in the world in 2020.