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

Context articles: The Curse of Steptoe
Steptoe and Son Ride Again
List of Harry Potter cast members
Jason Isaacs
Harry H. Corbett
Lego Harry Potter: Years 5–7
Steptoe and Son (film)
Lego Harry Potter: Years 1–4
Lego Harry Potter
When Steptoe Met Son

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.
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.
Several actors of the United Kingdom and Ireland have voiced or portrayed characters appearing in the "Harry Potter" film series based on the book series by J. K. Rowling.
 Daniel Radcliffe, Rupert Grint and Emma Watson have played Harry Potter, Ron Weasley and Hermione Granger in all the films.
 When they were cast only Radcliffe had previously acted in a film.
 Complementing them on screen are such actors as Helena Bonham Carter, Jim Broadbent, John Cleese, Robbie Coltrane, Warwick Davis, Ralph Fiennes, Michael Gambon, Brendan Gleeson, Richard Griffiths, Richard Harris, John Hurt, Jason Isaacs, Miriam Margolyes, Helen McCrory, Gary Oldman, Alan Rickman, Fiona Shaw, Maggie Smith, Timothy Spall, Imelda Staunton, David Thewlis, Emma Thompson, and Julie Walters, among others.
 Thirteen actors have appeared as the same character in all eight films of the series.
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 "".
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.
Lego Harry Potter: Years 5–7 is a Lego-themed action-adventure video game developed by Traveller's Tales and published by Warner Bros.
 Interactive Entertainment.
 Released on 11 November 2011 in North America and 18 November in Europe, the game is based on the Lego Harry Potter line and is based on the final three books and four films in the "Harry Potter" series: "Harry Potter and the Order of the Phoenix", "Harry Potter and the Half-Blood Prince", "Harry Potter and the Deathly Hallows – Part 1", and "Harry Potter and the Deathly Hallows – Part 2".
 The game was released for the PlayStation 3, Xbox 360, PlayStation Portable, PlayStation Vita, Wii, Nintendo DS, Nintendo 3DS, Microsoft Windows, iOS and Android.
 The first trailer of three trailers was released 6 October 2011, and the demo was released on 1 November.
 The game was released on Steam on 5 January 2012.
 The OS X version of the game was released by Feral Interactive on 7 March 2012.
 The game was released for the PlayStation 4 on October 21, 2016, as part of the "Lego Harry Potter Collection", which bundles the game with its predecessor, "".
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.
Lego Harry Potter: Years 1–4 is a Lego-themed action-adventure video game developed by Traveller's Tales and published by Warner Bros.
 The game is based on the Lego Harry Potter line and its storyline covers the first four films in the "Harry Potter" series: "Harry Potter and the Sorcerer's Stone", "Harry Potter and the Chamber of Secrets", "Harry Potter and the Prisoner of Azkaban", and "Harry Potter and the Goblet of Fire".
 The game is available on the Wii, Xbox 360, PlayStation 3, Nintendo DS, PlayStation Portable, Microsoft Windows, OS X, iOS and Android.
 The OS X version of the game was released on 22 February 2011 by Feral Interactive.
 The game was released for the PlayStation 4 on October 21, 2016, as part of the "Lego Harry Potter Collection", which bundles the game with its sequel, "".
Lego "Harry Potter" is a Lego theme based on the films of the "Harry Potter" series.
 Lego models of important scenes, vehicles and characters were made for the first six films and all the books released.
 The first sets appeared in 2001, to coincide with the release of the first film "Harry Potter and the Philosopher's Stone" (Harry Potter and the Sorcerer's Stone in the United States).
 Subsequent sets were released alongside the new films, until Harry Potter and the Order of the Phoenix.
 The line then went dormant for three years.
 It is unknown if the theme will again be revived to coincide with future installations in the Harry Potter franchise, such as the film Fantastic Beasts and Where to Find Them.
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.