‘Guardians of the Galaxy Vol. 2': Is Baby Groot the Same Person as Big Groot?

“Guardians of the Galaxy Vol. 2” has a great cast, but there’s one clear star: Baby Groot. Voiced by Vin Diesel, the tiny version of the bounty-hunting plant creature and partner of Rocket Raccoon (voiced by Bradley Cooper) is super cute, and Groot has most of the best comedy moments in the movie.