James Gunn Director, Screenwriter Chris Pratt Peter Quill, Star-Lord Actor Zoe Saldaña Gamora Actor Bradley Cooper Rocket Voice Dave Bautista Drax Actor Vin Diesel Baby Groot Voice Michael Rooker Yondu Actor Karen Gillan Nebula Actor Sylvester Stallone Stakar Ogord Actor Pom Klementieff Mantis Actor Kurt Russell Ego Actor Elizabeth Debicki Ayesha Actor Tommy Flanagan Tullk Actor Chris Sullivan Taserface Actor Sean Gunn Kraglin, On-Set Rocket Actor Kevin Feige Producer Victoria Alonso Executive Producer Louis D'Esposito Executive Producer Nikolas Korda Executive Producer Stan Lee Executive Producer Jonathan Schwartz Executive Producer Henry Braham Cinematographer Fred Raskin Film Editing Craig Wood Film Editing Tyler Bates Original Music Scott Chambliss Production Design Vlad Bina Art Director Iain McFadyen Art Director Harry E. Otto Art Director Lauren E. Polizzi Art Director Thomas Valentine Art Director Jann K. Engel Art Director Jay Hart Set Decoration Judianna Makovsky Costume Design Sarah Halley Finn Casting