Chris Pratt

Peter Quill / Star-Lord

Dave Bautista

Drax

Karen Gillan

Nebula

Pom Klementieff

Mantis

Vin Diesel

Groot (voice)

Bradley Cooper

Rocket (voice)

Sean Gunn

Kraglin

Rhett Miller

Bzermikitokolok

Murry Hammond

Alien Band (Kortolbookalia)

Ken Bethea

Alien Band (Sliyavastojoo)

Philip Peeples

Alien Band (Phloko)

Michael Rooker

Yondu

Kevin Bacon

Kevin Bacon

Luke Klein

Young Peter Quill

Maria Bakalova

Cosmo the Dog (voice)

Kyra Sedgwick

Kyra Sedgwick (voice)

Si Chen

Sobbing Woman

Don McLeod

Statue Guy

Thomas McNamara

'Captain America'

Daniel Bernhardt

Gobot

Michelle Gunn

Tourist Mom

Flula Borg

Bartender

Matthew Withers

Handsome Man

Rusty Schwimmer

Sara

Helene D'Auria

Dispatcher (voice)

Tinashe Kajese

Officer Fitzgibbon

Barry Curtis

Officer R. Bobbitt

Rachel Luttrell

Upside-Down Cop

Giovannie Cruz

Orloni Peddler

Stephen Blackehart

Steemie

Sarah Alami

Gloob

Terence Rosemore

Gurb

Troy Beecham

Drunken Knowherean (uncredited)