Mark Sinclair, professionally known as Vin Diesel, voiced Groot in Guardians of the Galaxy, Guardians of the Galaxy Vol. 2, Avengers: Infinity War, Avengers: Endgame, Thor: Love and Thunder, I Am Groot, The Guardians of the Galaxy Holiday Special and Guardians of the Galaxy Vol. 3. He also voiced Iwua imitating the voice of Groot in the I Am Groot episode Groot's Pursuit. He was interviewed for the documentary Marvel Studios: Assembling a Universe. Together with Bradley Cooper, he was nominated
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