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
Jeff Goldblum En Dwi Gast / Grandmaster (uncredited)
Michael Rooker Yondu
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)
Elizabeth Debicki Ayesha
Molly C. Quinn Howard's Date
Kevin Feige Producer
Tommy Flanagan Tullk
Pom Klementieff Mantis
Gregg Henry Grandpa Quill
Laura Haddock Meredith Quill
David Hasselhoff The Form of David Hasselhoff
Wyatt Oleff Young Peter Quill
Louis D'Esposito Executive Producer
Evan Jones Retch
Sean Gunn Kraglin / On-Set Rocket
Rob Zombie Unseen Ravager
Jack Kirby Characters
Chris Sullivan Taserface
Zack Duhame Stunts
Ben Browder Sovereign Admiral
Christopher Boyes Sound Re-Recording Mixer
Jim Starlin Characters
Steve Agee Gef
Aaron Schwartz Young Ego Facial Reference
Luke Cook Zylak's Frenemy
Don Heck Thanks
Joe Bucaro III Stunts
Sarah Halley Finn Casting
Elizabeth Faith Ludlow Easik Mother
Barbara Harris ADR Voice Casting
Steve Englehart Characters
Jim Palmer Stunt Double
Casey Adams Stunts
Hilty Bowen Sovereign Pilot
Rhoda Griffis Sneeper Madame
Jason Williams Huge Guard of the Sovereign Nation (uncredited)
Gene Colan Thanks
Steve Gan Characters
Lora Hirschberg Sound Re-Recording Mixer
Christopher Townsend Visual Effects Supervisor
Keith Giffen Characters
Kendra Carelli Robot Courtesan
Chad Randall Stunts
James Young Fight Choreographer
Christopher Flick Foley
Milynn Sarley Robot Courtesan
Casey O'Neill Stunt Coordinator
Steve Gerber Characters
Victoria Alonso Executive Producer
Larry Rippenkroeger Stunt Double
Shelley Roden Foley
Mike Escamilla Scrote (uncredited)
Bill Mantlo Characters
David Yarovesky Thanks
Chris Claremont Thanks
Keith Splinter Davis Stunts
Val Mayerik Characters
Rex Reddick Stunts