Claim: David Thewlis is an English actor in movies.
Evidence: David Thewlis -LRB- born David Wheeler ; born 20 March 1963 -RRB- is an English actor , director , screenwriter , author.
His most commercially successful role to date has been that of Remus Lupin in the Harry Potter film series.
Other notable performances include the films Naked -LRB- for which he won the Best Actor award at Cannes Film Festival -RRB- , Dragonheart , Kingdom of Heaven , The Boy in the Striped Pyjamas , The Theory of Everything , Black Beauty , and Macbeth -LRB- in which he played King Duncan -RRB-.
He has also done voice work in the films James and the Giant Peach -LRB- 1996 -RRB- , The Miracle Maker -LRB- 2000 -RRB- , and Anomalisa -LRB- 2015 -RRB- , and is additionally known for the role of Cyrus Crabb in the TV mini series Dinotopia.