David Wheeler (born 20 March 1963 in Blackpool), known professionally as David Thewlis, is an English actor, director, screenwriter, and author.
As a teenager, he played in a rock band called QED and played lead guitar with a punk rock band called Door 66. He was educated at Highfield High School in Blackpool's Marton area. He later enrolled in the Guildhall School of Music and Drama in London, graduating in 1984.
Thewlis rose to prominence for starring in the film Naked(dir. Mike Leigh,1993), for which he won the Cannes Film Festival Award for Best Actor. His most commercially successful roles to date have been Remus Lupin in the Harry Potter film series (2004–2011) and Sir Patrick Morgan / Ares in Wonder Woman (2017). Other notable film appearances include Dragonheart (1996), Seven Years in Tibet (1997), Kingdom of Heaven (2005), The Boy in the Striped Pyjamas (2008), War Horse (2011), The Theory of Everything (2014), and Anomalisa (2015). He will appear in Avatar 2 (2021) and Avatar 3 (2023).
Thewlis directed Hello, Hello, Hello in 1995, for which he was nominated for a BAFTA Award for Best Short Film. He also wrote, directed and starred in the feature Cheeky (2003).
On television, Thewlis portrayed Cyrus Crabb in the ABC miniseries Dinotopia (2002) and V. M. Varga in the third season of Fargo (2017), with the latter earning him nominations for an Emmy Award, Critics' Choice Television Award, and Golden Globe Award. He provides the voice of the Shame Wizard in the Netflix animated sitcom Big Mouth (2017–present).
Thewlis' debut novel, The Late Hector Kipling, is a black comedy set in the art world and was published by Simon & Schuster in 2007.