As part of the announcements they promised this week for the Guardians of The Galaxy Animated series;
#GuardiansoftheGalaxy animated series announcements coming this week on @Marvel and @DisneyChannelPR! Stay tuned! pic.twitter.com/34XaQRndAh
— Marvel Entertainment (@Marvel) February 16, 2015
Disney has cast Rocket & Groot voices. Rocket will be voiced by Trevor Devall, and Groot will be voiced by Kevin Michael Richardson.
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