James Gunn Director, Screenwriter Chris Pratt Peter Quill Actor Zoe Saldaña Gamora Actor Dave Bautista Drax the Destroyer Actor Vin Diesel Groot Voice Bradley Cooper Rocket Voice Lee Pace Ronan the Accuser Actor Michael Rooker Yondu Udonta Actor Karen Gillan Nebula Actor Djimon Hounsou Korath Actor Benicio del Toro The Collector Actor John C. Reilly Rhomann Dey Actor Glenn Close Nova Prime Actor Laura Haddock Meredith Quill Actor Sean Gunn Kraglin, On Set Rocket Actor Peter Serafinowicz Denarian Saal Actor Christopher Fairbank The Brooker Actor Nicole Perlman Screenwriter Kevin Feige Producer Louis D'Esposito Executive Producer Victoria Alonso Executive Producer Jeremy Latcham Executive Producer Alan Fine Executive Producer Stan Lee Executive Producer Nikolas Korda Executive Producer Ben Davis Cinematographer Fred Raskin Film Editing Craig Wood Film Editing Hughes Winborne Film Editing Tyler Bates Original Music Charles Wood Production Design Mike Stallion Art Director Mark Swain Art Director Thomas Brown Art Director Jordan Crockett Art Director Phil Sims Art Director Richard Roberts Set Decoration Alexandra Byrne Costume Design Sarah Halley Finn Casting Ray Chan Supervising Art Direction