James Gunn Director, Screenwriter Chris Pratt Peter Quill, Star-Lord Actor Zoe Saldaña Gamora Actor Dave Bautista Drax Actor Karen Gillan Nebula Actor Pom Klementieff Mantis Actor Vin Diesel Groot Voice Bradley Cooper Rocket Voice Sean Gunn Kraglin, On-Set Rocket Actor Chukwudi Iwuji The High Evolutionary Actor Will Poulter Adam Warlock Actor Maria Bakalova Cosmo the Spacedog Voice Sylvester Stallone Stakar Ogord Actor Elizabeth Debicki Ayesha Actor Daniela Melchior Ura Actor Nico Santos Recorder Theel Actor Giovannie Cruz Actor Kevin Feige Producer Louis D'Esposito Executive Producer Victoria Alonso Executive Producer Nikolas Korda Executive Producer Simon Hatt Executive Producer Sara Smith Executive Producer Henry Braham Cinematographer Fred Raskin Film Editing Greg D'Auria Film Editing John Murphy Original Music Sarah Halley Finn Casting Beth Mickle Production Design Samantha Avila Art Director Lorin Flemming Art Director Alex Gaines Art Director Brittany Hites Art Director Zachary Fannin Art Director Rosemary Brandenburg Set Decoration Judianna Makovsky Costume Design