Will Friedle Peter Quill, Star-Lord Actor Trevor Devall Rocket Racoon Actor Vanessa Marshall Gamora Actor David Sobolov Drax the Destroyer Actor Kevin Michael Richardson Groot Actor James Arnold Taylor Yondu, Cosmo Actor Ming-Na Wen Phyla-Vell Guest Voice Seth Green Howard the Duck Guest Voice Alan Fine Executive Producer Dan Buckley Executive Producer Joe Quesada Executive Producer Jeph Loeb Executive Producer Stan Lee Co-Executive Producer Eric Radomski Co-Executive Producer Cort Lane Co-Executive Producer Stephen Wacker Co-Executive Producer Marty Isenberg Supervising Producer Harrison Wilcox Supervising Producer Steven Melching Consulting Producer