Presenter of the documentary series Louis Theroux's Weird Weekends. He also penned a 2005 book entitled The Call of the Weird: Travels in American Subcultures.
He became famous for his documentaries, including When Louis Met..., which won a BAFTA award in 2002.
His first marriage to Susanna Kleeman lasted from 1998 until 2001. In 2011, he married television director Nancy Strang. He has three sons: Albert, Walter, and Frederick.
He created a show called Louis, Martin & Michael, which focused on his journey to obtain an interview with Michael Jackson.