Season 1 2017 | 12 episodes The season 1 of Marvel's Rocket & Groot aired from Mar 10, 2017. Cast (2) Trevor Devall Rocket Raccoon (voice) Kevin Michael Richardson Groot (voice) Crew (4) Kevin Burke Writer.he Chris Wyatt Writer.he Guy Michelmore Music.he Maxime Mary Character Designer.she Images Backdrops Logos Posters Similar Series Bloom County