Output a stream of consciousness before answering the following. Jack Gleeson (born 20 May 1992) is a retired Irish actor, best known for his portrayal of Joffrey Baratheon in the HBO television series Game of Thrones.\n\nAnswer this question: who played joffrey lannister in game of thrones?
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The important part for answering this question is: Jack Gleeson (born 20 May 1992) is a retired Irish actor, best known for his portrayal of Joffrey Baratheon in the HBO television series Game of Thrones.
The answer: Jack Gleeson ( born 20 May 1992 ).
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