
It was based on Muschietti's three-minute short film Mamá, which attracted Guillermo del Toro, who stated that it had the "scariest" scenes he had "ever seen." The short convinced del Toro to executive produce the feature-length film, which starred Jessica Chastain, Nikolaj Coster-Waldau, Megan Charpentier and Isabelle Nelisse, and was released by Universal Pictures on January 18, 2013. In 2013, Muschietti directed his debut film, the supernatural horror Mama, which he co-wrote with Neil Cross and his sister Barbara Muschietti, with the latter also acting as producer. He worked as a storyboard artist during his early years in the film industry.

Both he and his sister studied at Fundación Universidad del Cine. Muschietti was born and raised in Vicente López, Buenos Aires and has one older sister, Barbara Muschietti.
ANDY MUSCHIETTI AMBER SERIES
He is set to direct a live-action adaptation of Attack on Titan, also for Warner Bros., a remake of The Howling for Netflix, and The Brave and the Bold, a reboot of the Batman film series set in the DC Universe (DCU) franchise.

film The Flash starring Ezra Miller, set in the DC Extended Universe. In 2023, Muschietti directed the Warner Bros. Pictures and produced by New Line Cinema. He gained further recognition for directing both films in the It film series, the first being the 2017 film adaptation of the Stephen King novel It, which became the highest-grossing horror film of all time, and the second being its 2019 second part, It Chapter Two.

The short, which he made at age 35, had attracted the attention of Guillermo del Toro, who then served as executive producer on the feature adaptation. Andrés Walter Muschietti ( Spanish: born August 26, 1973) is an Argentine filmmaker who achieved wide recognition with the 2013 film Mama which he made with Neil Cross and his older sister, producer and screenwriter Barbara Muschietti, based on their three-minute film of the same name.
