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)

Michael Rooker
Yondu

Kevin Bacon
Kevin Bacon

Luke Klein
Young Peter Quill

Maria Bakalova
Cosmo the Dog (voice)

Kyra Sedgwick
Kyra Sedgwick (voice)

Thomas McNamara
'Captain America'

Daniel Bernhardt
Gobot

Michelle Gunn
Tourist Mom

Flula Borg
Bartender

Rusty Schwimmer
Sara

Tinashe Kajese
Officer Fitzgibbon

Rachel Luttrell
Upside-Down Cop

Giovannie Cruz
Orloni Peddler

Stephen Blackehart
Steemie

Sarah Alami
Gloob

Terence Rosemore
Gurb