Question: Sam Clemmett is known for being cast as Albus Potter in 2015 for a British play written by who ?

Context articles: A Bill of Divorcement (1932 film)
Order of the Phoenix (fictional organisation)
Harry Potter and the Chamber of Secrets (film)
The Vote
Anthony Boyle
Time and the Conways
Harry Potter and the Cursed Child
Sam Clemmett
Harry Potter and the Half-Blood Prince
The Lake (play)

A Bill of Divorcement is a 1932 American pre-Code drama film, directed by George Cukor and starring John Barrymore and Katharine Hepburn in her screen debut.
 It is based on the British play of the same name, written by Clemence Dane as a reaction to a law passed in Britain in the early 1920s that allowed insanity as grounds for a woman divorcing her husband.
 It was the second adaptation of the play, having previously been made into a British silent film "A Bill of Divorcement" in 1922.
The Order of the Phoenix is a secret organisation in the "Harry Potter" series of fiction books written by J. K. Rowling.
 Founded by Albus Dumbledore to fight Lord Voldemort and his followers, the Death Eaters, the Order lends its name to the fifth book of the series, "Harry Potter and the Order of the Phoenix".
Harry Potter and the Chamber of Secrets is a 2002 British-American fantasy film directed by Chris Columbus and distributed by Warner Bros.
 Pictures.
 It is based on the novel of the same name by J. K. Rowling.
 The film is the second instalment in the long-running "Harry Potter" film series.
 It was written by Steve Kloves and produced by David Heyman.
 Its story follows Harry Potter's second year at Hogwarts School of Witchcraft and Wizardry as the Heir of Salazar Slytherin opens the Chamber of Secrets, unleashing a monster that petrifies the school's denizens.
 The film stars Daniel Radcliffe as Harry Potter, with Rupert Grint as Ron Weasley, and Emma Watson as Hermione Granger.
 The film is also the last film to feature Richard Harris as Professor Albus Dumbledore, due to his death that same year.
The Vote is a 2015 British play written by James Graham.
 The play received its world premiere at the Donmar Warehouse as part of their spring 2015 season, where it ran from 24 April to 7 May 2015.
 Directed by Josie Rourke and set in a fictitious London polling station on election night 2015, the play was broadcast live on UK television channel More4 on the night of the election.
Anthony Boyle (born 8 June 1994) is a Northern Irish actor best known for his role as Scorpius Malfoy in the British play "Harry Potter and the Cursed Child" (2016), for which he won the Olivier Award for Best Actor in a Supporting Role.
Time and the Conways is a British play written by J. B. Priestley in 1937 illustrating J. W. Dunne's Theory of Time through the experience of a moneyed Yorkshire family, the Conways, over a period of nineteen years from 1919 to 1937.
 Widely regarded as one of the best of Priestley's "Time Plays", a series of pieces for theatre which played with different concepts of Time (the others including "I Have Been Here Before", "Dangerous Corner" and "An Inspector Calls") it continues to be revived in the UK regularly.
Harry Potter and the Cursed Child is a two-part stage play written by Jack Thorne based on an original new story by Thorne, J. K. Rowling and John Tiffany.
 Previews of the play began at the Palace Theatre, London on 7 June 2016, and it officially premiered on 30 July 2016.
Sam Clemmett is a British actor.
 Born in Brundall, Norfolk, Clemmett began his acting career in 2013.
 He is known for being cast as Albus Potter in 2015 for the British play Harry Potter and the Cursed Child.
 His performance in the play has made him popular with Harry Potter fans, as well as the creator of Harry Potter, J.K. Rowling.
 Rowling stated that, "There's much I could say about Sam-as-Albus, but we'd be into spoiler territory so quickly I'll just say we couldn't have cast better."
 He played the role in the West End, until late-Spring 2017.
Harry Potter and the Half-Blood Prince is the sixth and penultimate novel in the "Harry Potter" series, written by British author J. K. Rowling.
 Set during protagonist Harry Potter's sixth year at Hogwarts, the novel explores the past of Harry's nemesis, Lord Voldemort, and Harry's preparations for the final battle against Voldemort alongside his headmaster and mentor Albus Dumbledore.
The Lake is a British play written by Dorothy Massingham and Murray MacDonald.
 It debuted on Broadway at the Martin Beck Theatre on December 26, 1933 and was one of acting legend Katharine Hepburn's first major Broadway roles.