Vin Diesel Baby Groot (voice)
Sylvester Stallone Stakar Ogord
Chris Pratt Peter Quill / Star-Lord
Bradley Cooper Rocket (voice)
Zoe Saldaña Gamora
Dave Bautista Drax
James Gunn Director, Writer, Script Supervisor
Kurt Russell Ego
Karen Gillan Nebula
Michael Rooker Yondu
Jeff Goldblum En Dwi Gast / Grandmaster (uncredited)
Ving Rhames Charlie-27
Stan Lee Executive Producer, Characters, Watcher Informant
Seth Green Howard the Duck (voice)
Michelle Yeoh Aleta Ogord
Michael Rosenbaum Martinex
Miley Cyrus Mainframe (voice) (uncredited)
Molly C. Quinn Howard's Date
Elizabeth Debicki Ayesha
Kevin Feige Producer
Pom Klementieff Mantis
Tommy Flanagan Tullk
Gregg Henry Grandpa Quill
Laura Haddock Meredith Quill
David Hasselhoff The Form of David Hasselhoff
Sean Gunn Kraglin / On-Set Rocket
Evan Jones Retch
Chris Sullivan Taserface
Wyatt Oleff Young Peter Quill
Louis D'Esposito Executive Producer
Rob Zombie Unseen Ravager
Jack Kirby Characters
Zack Duhame Stunts
Ben Browder Sovereign Admiral
Christopher Boyes Sound Re-Recording Mixer
Barbara Harris ADR Voice Casting
Jim Starlin Characters
Steve Agee Gef
Aaron Schwartz Young Ego Facial Reference
Luke Cook Zylak's Frenemy
Sarah Halley Finn Casting
Don Heck Thanks
Joe Bucaro III Stunts
Elizabeth Faith Ludlow Easik Mother
Steve Englehart Characters
Jim Palmer Stunt Double
Casey Adams Stunts
Hilty Bowen Sovereign Pilot
Vincent Cirelli Senior Visual Effects Supervisor
Donny Carrington Kree Monk (uncredited)
Rhoda Griffis Sneeper Madame
Henry Braham Director of Photography
Gene Colan Thanks
Steve Gan Characters
Christopher Townsend Visual Effects Supervisor
Casey O'Neill Stunt Coordinator
Jason Williams Huge Guard of the Sovereign Nation (uncredited)
Daniel Sudick Special Effects Supervisor
Keith Giffen Characters
Shelley Roden Foley
Boni Yanagisawa Stunt Double
Kendra Carelli Robot Courtesan
Carolina Jiménez Layout
Lee Gilmore Sound Effects Editor
Chad Randall Stunts
Keith Splinter Davis Stunts
James Young Fight Choreographer
Milynn Sarley Robot Courtesan
Steve Gerber Characters
Victoria Alonso Executive Producer
Russell Bobbitt Property Master
Thomas Valentine Art Direction