Question: What actor has starred in both Harry Potter and Regression?

full_context: Document 1: Room (2015 film): Room is a 2015 independent drama film directed by Lenny Abrahamson and written by Emma Donoghue, based on her novel of the same name. It stars Brie Larson as a woman who has been held captive for seven years, and whose 5-year-old son (Jacob Tremblay) was born in captivity. Their escape allows the boy to experience the outside world for the first time. The film also stars Joan Allen, Sean Bridgers, and William H. Macy.
Document 2: Secret in Their Eyes: Secret in Their Eyes is a 2015 American psychological thriller film written and directed by Billy Ray and a remake of the 2009 Argentine film of the same name, both based on the novel "La pregunta de sus ojos" by author Eduardo Sacheri. The film stars Chiwetel Ejiofor, Nicole Kidman, Julia Roberts, Dean Norris, and Michael Kelly.
Document 3: David Wenham: David Wenham (born 21 September 1965) is an Australian actor who has appeared in movies, television series and theatre productions. He is known in Hollywood for his roles as Faramir in "The Lord of the Rings" film trilogy, Carl in "Van Helsing", Dilios in "300" and its sequel "", Neil Fletcher in "Australia" and Lieutenant John Scarfield in "". He is also known in his native Australia for his role as Diver Dan in "SeaChange.
Document 4: Naked (1993 film): Naked is a 1993 British black comedy-drama film written and directed by Mike Leigh and starring David Thewlis as Johnny, a motor-mouthed intellectual and conspiracy theorist. Stark and brutal in tone, "Naked" was a departure for Leigh, whose previous works were known for their subtle comedic dissections of middle-class and working-class manners. Leigh's "Naked" screenplay relied heavily on lengthy improvisation during rehearsals, but little actual ad-libbing was filmed. Critically acclaimed, the film won a number of awards, including best director and best actor at Cannes. "Naked" marked a new career high for Leigh as a director and made the then-unknown Thewlis an internationally recognized star.
Document 5: David Thewlis: David Thewlis (born David Wheeler; born 20 March 1963) is an English actor, director, screenwriter, and 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" (for which he won the Best Actor award at Cannes Film Festival), "Dragonheart", "Kingdom of Heaven", "The Boy in the Striped Pyjamas", "The Theory of Everything", "Black Beauty", "Macbeth" (as King Duncan) and "Wonder Woman". He has also done voice work in the films "James and the Giant Peach" (1996), "The Miracle Maker" (2000), and "Anomalisa" (2015). Thewlis has combined major motion picture work with prominent television roles, including playing Cyrus Crabb in the television miniseries "Dinotopia" and antagonist V.M. Varga in the third season of "Fargo."
Document 6: Tom Hollander: Thomas Anthony Hollander (born 25 August 1967) is an English actor. He began his career in theatre, winning the Ian Charleson Award in 1992 for his performance as Witwoud in "The Way of the World" at the Lyric Hammersmith Theatre. He is known for his roles in comedic films such as "Pirates of the Caribbean" and "In the Loop" and drama films such as "Enigma", "Pride & Prejudice", "Gosford Park", and "Hanna". He played the lead role in the sitcom "Rev.", which won the British Academy Television Award for best sitcom in 2011. He also played the lead in the ITV's "Doctor Thorne" and won the BAFTA Television Award for Best Supporting Actor for his role as Major Lance "Corky" Corkoran in the BBC series "The Night Manager".
Document 7: Equals (film): Equals is a 2015 American science fiction romantic drama film directed by Drake Doremus, produced by Michael Pruss, Chip Diggins, Ann Ruak, Michael Schaefer, Ridley Scott, and Jay Stern, and written by Nathan Parker from a story by Doremus. It stars Nicholas Hoult and Kristen Stewart as two people diagnosed with a disease that restores their human compassion and emotions in a dystopian world where emotions do not exist. Additional roles are played by Guy Pearce and Jacki Weaver.
Document 8: Self/less: Self/less is a 2015 American science fiction action thriller film directed by Tarsem Singh, produced by Ram Bergman and James D. Stern and written by Alex and David Pastor. The film tells the story of a business tycoon and billionaire named Damian Hale, who is diagnosed with a deadly illness. However, he manages to somehow save his life with the aid of Professor Albright, who transfers Hale's consciousness into a new, younger body. The film stars Ryan Reynolds, Natalie Martinez, Matthew Goode, Victor Garber, Derek Luke, and Ben Kingsley.
Document 9: David Tennant: David Tennant (born David John McDonald; 18 April 1971) is a Scottish actor and voice actor. He is best known for his roles as the Tenth Doctor in the British television series "Doctor Who", Alec Hardy in "Broadchurch", Giacomo Casanova in the TV serial "Casanova", Kilgrave in "Jessica Jones", and Barty Crouch, Jr. in the film "Harry Potter and the Goblet of Fire". In addition to his appearances on screen, he has worked as a voice actor and in theatre, including Prince Hamlet in a critically acclaimed 2008 stage production of "Hamlet" and as the voice of Scrooge McDuck in the new "DuckTales" series starting in 2017. In January 2015, Tennant received the National Television Award for Special Recognition.
Document 10: Richard Armitage (actor): Richard Crispin Armitage (born 22 August 1971) is an English film, television, theatre and voice actor. He received notice in the UK with his first leading role as John Thornton in the British television programme "North & South" (2004). But it was his role as dwarf prince and leader Thorin Oakenshield in Peter Jackson's film trilogy adaptation of "The Hobbit" that first brought him international recognition. Other notable roles include John Proctor in Yaël Farber’s stage production of Arthur Miller's "The Crucible", Francis Dolarhyde in the American TV series "Hannibal", Lucas North in the British TV drama "Spooks", John Porter in the British TV drama "Strike Back", and Guy of Gisborne in the British TV drama "Robin Hood". He more recently voiced Trevor Belmont in the Netflix adaptation of "Castlevania".
Document 11: The Abandoned (2015 film): The Abandoned (also known as The Confines) is a 2015 American supernatural horror film directed by Eytan Rockaway, and written by Ido Fluk. It stars Jason Patric, Louisa Krause and Mark Margolis. The film premiered at the Los Angeles Film Festival on June 13, 2015, and was released in theaters and video on demand on January 8, 2016 by IFC Films. The film concerns a struggling young woman, who tries to reacquire her normal life by taking a job as a security guard at an abandoned apartment building. "The Abandoned" marked Rockaway's debut as director.
Document 12: Regression (film): Regression is a 2015 Canadian-Spanish-American psychological thriller mystery film directed, produced and written by Alejandro Amenábar. The film stars Ethan Hawke and Emma Watson, with David Thewlis, Lothaire Bluteau, Dale Dickey, David Dencik, Peter MacNeill, Devon Bostick and Aaron Ashmore in supporting roles.
Document 13: Peter Mullan: Peter Mullan (born 2 November 1959) is a Scottish actor and filmmaker. He is best known for his role in Ken Loach's "My Name Is Joe" (1998), for which he won Best Actor Award at 1998 Cannes Film Festival and "The Claim" (2000). He is also winner of the World Dramatic Special Jury Prize for Breakout Performances at 2011 Sundance Film Festival for his work on Paddy Considine's "Tyrannosaur" (2011). Mullan appeared as supporting or guest actor in numerous cult movies, including "Riff-Raff" (1991), "Braveheart" (1995), "Trainspotting" (1996), "Young Adam" (2003), "Children of Men" (2006), "War Horse" (2011) and the "Harry Potter" film series (2010–11).
Document 14: The Captive (2014 film): The Captive, formerly Queen of the Night and Captives, is a 2014 Canadian thriller film directed by Atom Egoyan and co-written with David Fraser. The film stars Ryan Reynolds, Scott Speedman, Rosario Dawson, Mireille Enos, Kevin Durand, and Alexia Fast. It was selected to compete for the Palme d'Or in the main competition section at the 2014 Cannes Film Festival. The film was released in select
Document 15: Willem Dafoe: William J. "Willem" Dafoe (born July 22, 1955) is an American actor. A member of the experimental theatre company the Wooster Group, he was nominated for the Academy Award for Best Supporting Actor for his roles as Elias in Oliver Stone's "Platoon" (1986) and Max Schreck in the comedy-horror film "Shadow of the Vampire" (2000). His other film appearances include "The Last Temptation of Christ" (1988), "Mississippi Burning" (1988),"The English Patient" (1996), "American Psycho" (2000), the "Spider-Man" trilogy (2002–2007), "John Wick" (2014), "The Grand Budapest Hotel" (2014), and "Justice League" (2017). He has also had voice roles in "Finding Nemo" (2003) and its sequel "Finding Dory" (2016), "Fantastic Mr. Fox" (2009), "John Carter" (2012) and the recent adaptation of "Death Note" (2017).
ground_truth: David Thewlis