Andrés Walter Muschietti (Spanish: [musˈkjeti]; born 26 August 1973) is an Argentine film director and screenwriter who had his breakthrough with the 2013 film Mama. He gained further recognition for directing both films in the It film series, the 2017 film adaptation of the Stephen King novel and its 2019 sequel, It Chapter Two. In 2023, he directed the  DC Extended Universe film The Flash.

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