Chris Pratt

Peter Quill / Star-Lord

Zoe Saldaña

Gamora

Dave Bautista

Drax

Vin Diesel

Baby Groot (voice)

Bradley Cooper

Rocket (voice)

Kurt Russell

Ego

Michael Rooker

Yondu

Karen Gillan

Nebula

Pom Klementieff

Mantis

Sylvester Stallone

Stakar Ogord

Elizabeth Debicki

Ayesha

Chris Sullivan

Taserface

Sean Gunn

Kraglin / On-Set Rocket

Tommy Flanagan

Tullk

Laura Haddock

Meredith Quill

Aaron Schwartz

Young Ego Facial Reference

Hannah Gottesman

Sovereign Chambermaid

Hilty Bowen

Sovereign Pilot

Ben Browder

Sovereign Admiral

Alex Klein

Zylak

Luke Cook

Zylak's Frenemy

Evan Jones

Retch

Joe Fria

Oblo

Terence Rosemore

Narblik

Jimmy Urine

Halfnut

Stephen Blackehart

Brahl

Steve Agee

Gef

Blondy Baruti

Huhtar

Richard Christy

'Down There!'

Rob Zombie

Unseen Ravager

Sierra Love

Robot Courtesan

Kendra Carelli

Robot Courtesan

Milynn Sarley

Robot Courtesan

Seth Green

Howard the Duck (voice)

Molly C. Quinn

Howard's Date

Michael Rosenbaum

Martinex

Rhoda Griffis

Sneeper Madame

Stan Lee

Watcher Informant

David Hasselhoff

The Form of David Hasselhoff

Mac Wells

Officer Fitzgibbon

Leota Gunn

Weird Old Man's Mistress

Elizabeth Faith Ludlow

Easik Mother

Wyatt Oleff

Young Peter Quill

Gregg Henry

Grandpa Quill

Damita Jane Howard

Grandpa Quill's Friend

Ving Rhames

Charlie-27

Michelle Yeoh

Aleta Ogord

Mike Escamilla

Scrote (uncredited)

Miley Cyrus

Mainframe (voice) (uncredited)

Jeff Goldblum

En Dwi Gast / Grandmaster (uncredited)

Donny Carrington

Kree Monk (uncredited)

Fred Galle

Sovereign Leader (uncredited)

Alphonso A'Qen-Aten Jackson

Ravager (uncredited)

Kelly Richardson

Daisy Kiu (uncredited)

Guillermo Rodriguez

Cop #2 (uncredited)

Josh Tipis

Humanoid Ravager (uncredited)

Jason Williams

Huge Guard of the Sovereign Nation (uncredited)