Vin Diesel Baby Groot (voice)
Sylvester Stallone Stakar Ogord
Zoe Saldaña Gamora
Chris Pratt Peter Quill / Star-Lord
Kurt Russell Ego
Dave Bautista Drax
Bradley Cooper Rocket (voice)
Karen Gillan Nebula
Michelle Yeoh Aleta Ogord
Molly C. Quinn Howard's Date
Jeff Goldblum En Dwi Gast / Grandmaster (uncredited)
Michael Rooker Yondu
Michael Rosenbaum Martinex
Ving Rhames Charlie-27
James Gunn Director, Writer, Script Supervisor
Stan Lee Executive Producer, Characters, Watcher Informant
Pom Klementieff Mantis
Alexander T.H. Browne VFX Artist
Seth Green Howard the Duck (voice)
Jeffrey G. Barnett Stunts
Miley Cyrus Mainframe (voice) (uncredited)
Lee-Anne Telford Stunt Double
Elizabeth Debicki Ayesha
Sarah Halley Finn Casting
Elizabeth Faith Ludlow Easik Mother
Laura Haddock Meredith Quill
Tara Feldstein Bennett Casting
Thomas Robinson Harper Stunt Coordinator
Kevin Feige Producer
Kim M. Holly Key Costumer
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
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
Nicolas Bosc Stunts
Wyatt Oleff Young Peter Quill
Louis D'Esposito Executive Producer
Ashley Marie Parker Set Costumer
Javier Arrieta Key Costumer
Hilty Bowen Sovereign Pilot
Joe Bucaro III Stunts
David Castillo Stunts
Evan Jones Retch
Rob Zombie Unseen Ravager
Chris Sullivan Taserface
Simone Kraus Townsend Animation Supervisor
Damita Jane Howard Grandpa Quill's Friend
Darryl Humber Dolly Grip
Donny Carrington Kree Monk (uncredited)
Don Heck Thanks
Jim Starlin Characters
Nick Pepin Production Assistant
John David Duncan Art Department Assistant
Dave Jordan Music Supervisor
Kevin L. Jackson Utility Stunts
Stacey S. McIntosh Construction Coordinator
Amy Lynn Tuttle Stunt Double
Victoria Alonso Executive Producer
Zack Duhame Stunts
Barbara Harris ADR Voice Casting
Keith Giffen Characters