Imogen Gay Poots is an English actress. She played Tammy in the post-apocalyptic horror film 28 Weeks Later (2007), Linda Keith in the Jimi Hendrix biopic Jimi: All Is by My Side (2013), Debbie Raymond in the Paul Raymond biopic The Look of Love (2013), and Julia Maddon in the American action film Need for Speed (2014). Also in 2014, she portrayed Jesse Crichton in A Long Way Down, alongside Pierce Brosnan and Aaron Paul and Izzie in Peter Bogdanovich's She's Funny That Way. In 2016, she starred as Kelly Ann in the Showtime series Roadies. In 2019, she played Gemma in the sci-fi film Vivarium. In 2020, she played Laura in The Father (2020). In 2022, she began playing the role of the mysterious Autumn in the Prime Video science fiction neo-Western series Outer Range.

28 Weeks Later is a 2007 post-apocalyptic horror film directed by Juan Carlos Fresnadillo, who co-wrote it with Rowan Joffé, Enrique López Lavigne and Jesus Olmo. The standalone sequel to the 2002 film 28 Days Later, it stars Robert Carlyle, Rose Byrne, Jeremy Renner, Harold Perrineau, Catherine McCormack, Mackintosh Muggleton, Imogen Poots, and Idris Elba. It is set after the events of the first film, depicting the efforts of NATO military forces to salvage a safe zone in London, the consequence of two young siblings breaking protocol to find a photograph of their mother, and the resulting reintroduction of the Rage Virus into the safe zone.