Vin Diesel Baby Groot (voice)
Sylvester Stallone Stakar Ogord
Zoe Saldaña Gamora
Chris Pratt Peter Quill / Star-Lord
Dave Bautista Drax
Kurt Russell Ego
Bradley Cooper Rocket (voice)
Karen Gillan Nebula
Molly C. Quinn Howard's Date
Michelle Yeoh Aleta Ogord
Jeff Goldblum En Dwi Gast / Grandmaster (uncredited)
Ving Rhames Charlie-27
Michael Rooker Yondu
James Gunn Director, Writer, Script Supervisor
Stan Lee Executive Producer, Characters, Watcher Informant
Seth Green Howard the Duck (voice)
Pom Klementieff Mantis
Alexander T.H. Browne VFX Artist
Jeffrey G. Barnett Stunts
Miley Cyrus Mainframe (voice) (uncredited)
Michael Rosenbaum Martinex
Elizabeth Debicki Ayesha
Sarah Halley Finn Casting
Elizabeth Faith Ludlow Easik Mother
Laura Haddock Meredith Quill
Tara Feldstein Bennett Casting
Lee-Anne Telford Stunt Double
Thomas Robinson Harper Stunt Coordinator
Kevin Feige Producer
Gui DaSilva-Greene Utility Stunts
John M. 'Jack' Wright Key Costumer
Harry E. Otto Art Direction
David Hasselhoff The Form of David Hasselhoff
Gregg Henry Grandpa Quill
Jeffrey A. Humphreys Boom Operator
Kim M. Holly Key Costumer
Tommy Flanagan Tullk
Craig H. Davidson Stunts
Sean Gunn Kraglin / On-Set Rocket
Carolina Jiménez Layout
Randy James Beckman Stunts
Michael Hansen Utility Stunts
Lars P. Winther First Assistant Director, Co-Producer
Jack Kirby Characters
Steve Agee Gef
Wyatt Oleff Young Peter Quill
Louis D'Esposito Executive Producer
Javier Arrieta Key Costumer
Evan Jones Retch
Hilty Bowen Sovereign Pilot
Joe Bucaro III Stunts
Rob Zombie Unseen Ravager
Darryl Humber Dolly Grip
Nick Pepin Production Assistant
Amy Lynn Tuttle Stunt Double
Don Heck Thanks
Chris Sullivan Taserface
Jim Starlin Characters
John David Duncan Art Department Assistant
Dave Jordan Music Supervisor
Stacey S. McIntosh Construction Coordinator
Victoria Alonso Executive Producer
Zack Duhame Stunts
Barbara Harris ADR Voice Casting
Keith Giffen Characters
Ben Browder Sovereign Admiral
Casey Adams Stunts
Lluis Casals Marsol Animation Director
Kevin Andrew Smith Visual Effects Supervisor
Kevin L. Jackson Utility Stunts
Steve Englehart Characters
Christopher Flick Foley