Question: Richard Brake plays which character on the HBO fantasy drama television series which premiered on April 6, 2014?

full_context: Document 1: Matt Ryan (actor): Matt Ryan (born Matthew Darren Evans; 11 April 1981) is a Welsh actor from Swansea, best known as Edward Kenway in the Ubisoft video game "" and John Constantine in the NBC series "Constantine" and The CW series "Arrow", as well as voicing the character in the 2017 film "Justice League Dark".
Document 2: Game of Thrones: Game of Thrones is an American fantasy drama television series created by David Benioff and D. B. Weiss. It is an adaptation of "A Song of Ice and Fire", George R. R. Martin's series of fantasy novels, the first of which is "A Game of Thrones". It is filmed in Belfast and elsewhere in the United Kingdom, Canada, Croatia, Iceland, Malta, Morocco, Spain, and the United States. The series premiered on HBO in the United States on April 17, 2011, and its seventh season ended on August 27, 2017. The series will conclude with its eighth season in 2018 or 2019.
Document 3: Colin Morgan: Colin Morgan (born 1 January, 1986) is a British/Irish film, television, theatre and radio actor best known for playing the title character in the BBC fantasy series "Merlin", the lead in "The Living and the Dead", and main roles in "Humans" and "The Fall"; his stage role as Ariel in "The Tempest"; and film roles in "Testament of Youth", "Legend" and "".
Document 4: 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 5: Game of Thrones (season 1): The first season of the fantasy drama television series "Game of Thrones" premiered on HBO on April 17, 2011, at 9.00 pm in the U.S., and concluded on June 19, 2011. It consists of ten episodes, each of approximately 55 minutes. The series is based on "A Game of Thrones", the first novel in the "A Song of Ice and Fire" series by George R. R. Martin, adapted for television by David Benioff and D. B. Weiss. HBO had ordered a television pilot in November 2008; filming began the following year. However, it was deemed unsatisfactory and later reshot with some roles being recast. In March 2010, HBO ordered the first season, which began filming in July 2010, primarily in Belfast, Northern Ireland, with additional filming in Malta.
Document 6: Two Swords (Game of Thrones): "Two Swords" is the first episode of the fourth season of HBO's fantasy television series "Game of Thrones", and the 31st overall. The episode was written by series co-creators and showrunners David Benioff and D. B. Weiss, and directed by Weiss. It premiered on April 6, 2014.
Document 7: Game of Thrones (season 3): The third season of the fantasy drama television series "Game of Thrones" premiered in the United States on HBO on March 31, 2013, and concluded on June 9, 2013. It was broadcast on Sunday at 9:00 pm in the United States, consisting of 10 episodes, each running approximately 50–60 minutes. The season is based roughly on the first half of "A Storm of Swords" (the third of the "A Song of Ice and Fire" novels by George R. R. Martin, of which the series is an adaptation). The series is adapted for television by David Benioff and D. B. Weiss. HBO renewed the series for a third season on April 10, 2012, nine days after the second season's premiere. Production began in July 2012. The show was filmed primarily in Ireland, Northern Ireland, Croatia, Iceland and Morocco.
Document 8: Game of Thrones (season 6): The sixth season of the fantasy drama television series "Game of Thrones" premiered on HBO on April 24, 2016, and concluded on June 26, 2016. It consists of ten episodes, each of approximately 50–60 minutes, largely of original content not found in George R. R. Martin's "A Song of Ice and Fire" series. Some story elements were derived from the novels and from information Martin revealed to the show-runners. The series was adapted for television by David Benioff and D. B. Weiss. HBO ordered the season on April 8, 2014, together with the fifth season, which began filming in July 2015 primarily in Northern Ireland, Spain, Croatia, Iceland and Canada. Each episode cost over $10 million.
Document 9: Joe Chill: Joe Chill is a fictional character appearing in comic books published by DC Comics, commonly in association with the superhero Batman. Created by Bill Finger and Bob Kane, the character first appeared in "Detective Comics" #33 (November 1939).
Document 10: Game of Thrones: Season 4 (soundtrack): The soundtrack album of the fourth season of HBO series "Game of Thrones", titled Game of Thrones: Season 4 was released digitally on June 10, 2014, and on CD on July 1, 2014. Season 4 of "Game of Thrones" saw the Icelandic band Sigur Rós perform their rendition of "" in a cameo appearance at King Joffrey's wedding in the second episode, "The Lion and the Rose".
Document 11: Rory McCann: Rory McCann (born 24 April 1969) is a Scottish actor and musician, best known for portraying Sandor Clegane on the HBO series "Game of Thrones" and Lurch in Edgar Wright's crime-comedy "Hot Fuzz".
Document 12: Richard Brake: Richard Colin Brake (born 30 November 1964) is a Welsh-American actor, known for portraying Joe Chill in "Batman Begins" and the Night King in "Game of Thrones" in the fourth and fifth season.
Document 13: 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 14: Game of Thrones (season 2): The second season of the fantasy drama television series "Game of Thrones" premiered in the United States on HBO on April 1, 2012, and concluded on June 3, 2012. It was broadcast on Sunday at 9:00 pm in the United States, consisting of 10 episodes, each running approximately 50–60 minutes. The season mostly covers the events of "A Clash of Kings", the second novel of the "A Song of Ice and Fire" series by George R. R. Martin, adapted for television by David Benioff and D. B. Weiss. HBO ordered the second season on April 19, 2011, which began filming in July 2011, primarily in Ireland, Northern Ireland, Croatia and Iceland.
Document 15: Game of Thrones (season 4): The fourth season of the fantasy drama television series "Game of Thrones" premiered in the United States on HBO on April 6, 2014, and concluded on June 15, 2014. It was broadcast on Sunday at 9:00 pm in the United States, consisting of 10 episodes, each running approximately 50–60 minutes. The season is adapted primarily from the second half of "A Storm of Swords", along with elements of "A Feast for Crows" and "A Dance with Dragons", all novels from the "A Song of Ice and Fire" series by George R. R. Martin. The series is adapted for television by David Benioff and D. B. Weiss. HBO ordered the fourth season on April 2, 2013, which began filming in July 2013. The season was filmed primarily in Ireland, Northern Ireland and Croatia.
ground_truth: Night King