Chris Pratt
Role: Peter Quill / Star-Lord
Vin Diesel
Role: Baby Groot (voice)
Bradley Cooper
Role: Rocket (voice)
Michael Rooker
Role: Yondu
Pom Klementieff
Role: Mantis
Sylvester Stallone
Role: Stakar Ogord
Elizabeth Debicki
Role: Ayesha
Chris Sullivan
Role: Taserface
Sean Gunn
Role: Kraglin / On-Set Rocket
Tommy Flanagan
Role: Tullk
Laura Haddock
Role: Meredith Quill
Aaron Schwartz
Role: Young Ego Facial Reference
Hannah Gottesman
Role: Sovereign Chambermaid
Hilty Bowen
Role: Sovereign Pilot
Ben Browder
Role: Sovereign Admiral
Luke Cook
Role: Zylak's Frenemy
Terence Rosemore
Role: Narblik
Stephen Blackehart
Role: Brahl
Blondy Baruti
Role: Huhtar
Richard Christy
Role: 'Down There!'
Rob Zombie
Role: Unseen Ravager
Sierra Love
Role: Robot Courtesan
Kendra Carelli
Role: Robot Courtesan
Milynn Sarley
Role: Robot Courtesan
Seth Green
Role: Howard the Duck (voice)
Molly C. Quinn
Role: Howard's Date
Michael Rosenbaum
Role: Martinex
Rhoda Griffis
Role: Sneeper Madame
Stan Lee
Role: Watcher Informant
David Hasselhoff
Role: The Form of David Hasselhoff
Mac Wells
Role: Officer Fitzgibbon
Jim Gunn Sr.
Role: Weird Old Man
Leota Gunn
Role: Weird Old Man's Mistress
Elizabeth Faith Ludlow
Role: Easik Mother
Wyatt Oleff
Role: Young Peter Quill
Gregg Henry
Role: Grandpa Quill
Damita Jane Howard
Role: Grandpa Quill's Friend
Ving Rhames
Role: Charlie-27
Michelle Yeoh
Role: Aleta Ogord
Mike Escamilla
Role: Scrote (uncredited)
Miley Cyrus
Role: Mainframe (voice) (uncredited)
Jeff Goldblum
Role: En Dwi Gast / Grandmaster (uncredited)
Donny Carrington
Role: Kree Monk (uncredited)
Nea Dune
Role: Lovebot (uncredited)
Fred Galle
Role: Sovereign Leader (uncredited)
Alphonso A'Qen-Aten Jackson
Role: Ravager (uncredited)
Kelly Richardson
Role: Daisy Kiu (uncredited)
Guillermo Rodriguez
Role: Cop #2 (uncredited)
Josh Tipis
Role: Humanoid Ravager (uncredited)
Jason Williams
Role: Huge Guard of the Sovereign Nation (uncredited)
