Justin Paul Theroux (/θəˈroʊ/; born August 10, 1971) is an American actor and filmmaker. He gained recognition for his work with director David Lynch in the mystery film Mulholland Drive (2001) and the horror film Inland Empire (2006). He also appeared in films such as Romy and Michele's High School Reunion (1997), American Psycho (2000), Charlie's Angels: Full Throttle (2003), Strangers with Candy (2005), Miami Vice (2006), Wanderlust (2012), The Girl on the Train (2016), The Spy Who Dumped Me (2018), On the Basis of Sex (2018), Bumblebee (2018), Lady and the Tramp (2019), and Beetlejuice Beetlejuice (2024).

Theroux was a screenwriter for films such as the action comedy Tropic Thunder (2008), the superhero film Iron Man 2 (2010), and the musical comedy drama Rock of Ages (2012). He made his directorial debut with the romantic comedy film Dedication (2007). Theroux starred as Kevin Garvey in the HBO mystery drama series The Leftovers (2014–2017), for which he received widespread praise and was nominated for the Critics' Choice Television Award for Best Actor in a Drama Series. He also starred as Dr. James Mantleray in the Netflix comedy-drama miniseries Maniac (2018). From 2021 to 2023, he portrayed Allie Fox in the Apple TV+ adaptation of The Mosquito Coast, based on the novel by his uncle Paul Theroux. In 2023, he also starred in the HBO satirical political miniseries White House Plumbers. Description above from the Wikipedia article Justin Theroux, licensed under CC-BY-SA, full list of contributors on Wikipedia.