Question: The actor who played Harry H. Corbett in The Curse of Steptoe also played which character in the Harry Potter films?

full_context: Document 1: Wilfrid Brambell: Henry Wilfrid Brambell (22 March 1912 – 18 January 1985) was an Irish film and television actor best known for his role in the British television series "Steptoe and Son". He also performed alongside the Beatles in their film "A Hard Day's Night", playing Paul McCartney's fictional grandfather.
Document 2: 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 3: Jason Clarke: Jason Clarke (born 17 July 1969) is an Australian film and television actor. Clarke has appeared in many TV series, and is known for playing Tommy Caffee on the television series "Brotherhood." He has also appeared in many films, often as an antagonist. Some of his film roles include "Death Race" (2008), "Public Enemies" (2009), "Zero Dark Thirty" (2013), "White House Down" (2013), "Dawn of the Planet of the Apes" (2014), "Terminator Genisys" (2015) and "Everest" (2015).
Document 4: Steptoe and Son Ride Again: Steptoe and Son Ride Again is a 1973 comedy film. It is a sequel to the film "Steptoe and Son" (1972) based on the television series. Again the film starred Wilfrid Brambell and Harry H. Corbett.
Document 5: Ciarán Hinds: His television roles include Gaius Julius Caesar in the series "Rome", DCI James Langton in "Above Suspicion", Bud Hammond in "Political Animals" and Mance Rayder in the Emmy Award-winning "Game of Thrones". As a stage actor, Hinds has enjoyed spells with the Royal Shakespeare Company, the Royal National Theatre in London and six seasons with Glasgow Citizens' Theatre, and he has continued to work on stage throughout his career.
Document 6: J. G. Devlin: James Gerard Devlin (8 October 1907 – 17 October 1991) was a Northern Irish actor who made his stage debut in 1931, and had long association with the Ulster Group Theatre. In a career spanning nearly sixty years, he played parts in TV productions such as "Z-Cars", "Dad's Army", "The New Avengers" and "Bread". He also guest starred, alongside Leonard Rossiter, in an episode of "Steptoe and Son", "The Desperate Hours". The writers of "Steptoe and Son" - Ray Galton and Alan Simpson - have since revealed that Devlin was second choice to play the part of Albert Steptoe in the series, behind Wilfrid Brambell. He also appeared as Father Dooley, a Catholic priest, in several episodes of Carla Lane's "Bread", his last television appearance.
Document 7: James Callis: James Nicholas Callis (born 4 June 1971) is an English actor. He is best known for playing Dr. Gaius Baltar in the re-imagined "Battlestar Galactica" miniseries and television series, and Bridget Jones' best friend in "Bridget Jones's Diary" and "". He later reprised the role in 2016, in "Bridget Jones's Baby." He joined the cast of the TV Series "Eureka", on Syfy, in 2010. In 2017 he voiced the character Alucard on the Netflix series "Castlevania", based on the video game of the same name.
Document 8: Harry Lloyd: Harry Charles Salusbury Lloyd (born 17 November 1983) is an English actor. He is known for his roles as Will Scarlet in the 2006 BBC drama "Robin Hood", Jeremy Baines in the 2007 "Doctor Who" episodes "Human Nature" and "The Family of Blood", and Viserys Targaryen in the HBO series "Game of Thrones". He has also appeared on stage, and in films including "The Theory of Everything" and "Anthropoid".
Document 9: The Understudy (Inside No. 9): "The Understudy" is the fifth episode of British dark comedy anthology series "Inside No. 9". It was first broadcast on 5 March 2014 on BBC Two. The episode was written by and starred Steve Pemberton and Reece Shearsmith, and guest-starred Lyndsey Marshal, Julia Davis, Rosie Cavaliero, Roger Sloman, Di Botcher, Richard Cordery, Bruce Mackinnon and Jo Stone-Fewings. Pemberton plays actor Tony, who is starring as Macbeth in a West End production of Shakespeare's "Macbeth", and Shearsmith plays Jim, Tony's understudy. The plot of "The Understudy" partially mirrors the story of "Macbeth", exploring the theme of power and the lives of actors.
Document 10: Harry H. Corbett: Harry H. Corbett, OBE (28 February 192521 March 1982) was an English actor. Corbett is best known for his co-starring role in the popular and long-running BBC Television sitcom "Steptoe and Son" which was first broadcast in the 1960s and 1970s.
Document 11: When Steptoe Met Son: When Steptoe Met Son is a 2002 Channel 4 documentary about the personal lives of Wilfrid Brambell and Harry H. Corbett, the stars of the long-running BBC situation comedy, "Steptoe and Son". It aired on 20 August 2002.
Document 12: Jason Momoa: Joseph Jason Namakaeha Momoa (born August 1, 1979) is an American actor, model, director, writer, and producer. He is known for his television roles as Ronon Dex on the military science fiction television series "Stargate Atlantis" (2004–2009) and as Khal Drogo in the HBO fantasy television series "Game of Thrones" (2011–2012).
Document 13: The Curse of Steptoe: The Curse of Steptoe is a television play which was first broadcast on 19 March 2008 on BBC Four as part of a season of dramas about television personalities. It stars Jason Isaacs as Harry H. Corbett and Phil Davis as Wilfrid Brambell. The drama centres on the actors' on- and off-screen relationship during the making of the BBC sitcom "Steptoe and Son", and is based on interviews with colleagues, friends and family of the actors, and the "Steptoe" writers, Ray Galton and Alan Simpson.
Document 14: Jason Isaacs: Jason Isaacs (born 6 June 1963) is an English actor. He is known for playing Lucius Malfoy in the "Harry Potter" films, Colonel William Tavington in "The Patriot", and criminal Michael Caffee in the American television series "Brotherhood". In December 2016, he played the lead antagonist in the Netflix supernatural series "The OA".. He is part of the main cast of the series "".
Document 15: Steptoe and Son (film): Steptoe and Son is a 1972 British comedy drama film and a spin-off from the popular British television comedy series of the same name about two father and son rag and bone men. It starred Wilfrid Brambell and Harry H. Corbett as the eponymous characters, Albert and Harold Steptoe respectively. It also features Carolyn Seymour. A sequel "Steptoe and Son Ride Again" was released the following year.
ground_truth: Lucius Malfoy