Will Friedle
Peter Quill / Star-Lord (voice) (77 eps)
Trevor Devall
Rocket Raccoon (voice) (77 eps)
Vanessa Marshall
Gamora (voice) (77 eps)
David Sobolov
Drax the Destroyer (voice) (77 eps)
Jeff Bennett
Rhomann Dey (voice) (77 eps)
Jonathan Adams
Ronan the Accuser (voice) (77 eps)
Kevin Michael Richardson
Groot (voice) (77 eps)
Ming-Na Wen
Phyla-Vell (voice) (4 eps)
Seth Green
Howard the Duck (voice) (2 eps)
Fred Tatasciore
Hulk (voice) (1 eps)
Grant George
Ant-Man (voice) (1 eps)
Roger Craig Smith
Captain America (voice) (1 eps)
Grey DeLisle
Captain Marvel (voice) (1 eps)
Mick Wingert
Iron Man (voice) (1 eps)
Nolan North
High Evolutionary (voice) (1 eps)