Acted in Mike Leigh's comic short film "The Short and Curlies"
First leading TV role which aired on U.S. television, "Filipina Dreamgirls" (BBC/A&E)
First professional performing job in a Kellogg's Branflakes commercial shot in Miami (Thewlis's first trip to the U.S.)
Offered a bravura performance in "Naked," directed by Mike Leigh
Played a bit part as the "second soldier" on the PBS musical mystery miniseries "The Singing Detective"
Reprised the role of Professor Lupin in "Harry Potter and the Order of the Phoenix," directed by David Yates
Starred in Ridley Scott's "Kingdom of Heaven," about the 12th-century Crusades
Co-starred in the violent crime thriller "Gangster No. 1"
Played lead guitar with a punk band based in Manchester
Portrayed expedition leader Peter Aufschnaiter in "Seven Years in Tibet"
Starred in the sci-fi adventure "Timeline," based on the novel by Michael Crichton
Voiced the Earthworm in the stop-motion animated film "James and the Giant Peach"
Cast as French poet Paul Verlaine to Leonardo DiCaprio's Arthur Rimbaud in "Total Eclipse"
Cast as Professor Lupin in "Harry Potter and the Prisoner of Azkaban," directed by Alfonso Cuarón
Cast in the Terrence Malick-scripted drama "The New World," about explorer John Smith and the clash between Native Americans and English settlers
Made first feature with Leigh, "Life Is Sweet"
Provided the voice of Judas Iscariot in the British animated biblical drama "The Miracle Maker" (aired on ABC in the U.S.)
Was featured in the ABC miniseries "Dinotopia"
Acted alongside Marlon Brando in the remake of "The Island of Dr. Moreau"
Appeared in TV production of Samuel Beckett's "Endgame"; screened at film festivals before airing on Irish and British TV in 2001
Feature acting debut in "Vroom"
Grew up in Blackpool, England
Had featured role in the Coen brothers' "The Big Lebowski"
Had first leading role in "Resurrected"
Helmed the film "Cheeky"
Played the SS officer Ralf in "The Boy in the Striped Pyjamas"
Reprised the role of Professor Lupin in David Yates directed "Harry Potter and the Half-Blood Prince," the sixth film in the series
Reprised the role originally played by David Warner in the remake of "The Omen"
Starred opposite Thandie Newton as a quirky pianist-composer in the love story "Besieged," a chamber drama directed by Bernardo Bertolucci
Wrote and directed short film "Hello Hello Hello?"
Returned to play Lupin in "Harry Potter and the Deathly Hallows: Part 1," directed by Yates
Final screen turn as Lupin in "Harry Potter and the Deathly Hallows: Part 2"; again directed by Yates
Co-starred with Rhys Ifans and Vanessa Redgrave in the drama "Anonymous"
Cast in the WWI-set drama "War Horse," directed by Steven Spielberg; film was based on the novel by Michael Morpurgo and the 2007 stage adaptation of the same name