Yep, Mark Vincent aka Vin Diesel is going to be playing the role of the big ass tree monster from Guardians of the Galaxy. Not what I would have guessed but hey, beggars can’t be choosers.
-From Wiki
Groot (also known as the Monarch of Planet X) is a fictional character who appears in comic books published by Marvel Comics. Created by Stan Lee, Jack Kirby, and Dick Ayers, the character first appeared in Tales to Astonish #13 (November 1960). An extraterrestrial, sentient tree-like creature, Groot originally appeared as an invader who intended to capture humans for experimentation.
The character was reconfigured into a heroic, noble being in 2006, and appeared in the crossover comic book storyline “Annihilation: Conquest“. He went on to star in its spin-off series, Guardians of the Galaxy, joining the team of the same name. Groot has been featured in a variety of associated Marvel merchandise, including animated television series, toys, and trading cards. He is set to appear in the 2014 live-action film Guardians of the Galaxy.