Peter Quill / Star-Lord
Drax
Nebula
Mantis
Groot (voice)
Rocket (voice)
Kraglin
Bzermikitokolok
Alien Band (Kortolbookalia)
Alien Band (Sliyavastojoo)
Alien Band (Phloko)
Yondu
Kevin Bacon
Young Peter Quill
Cosmo the Dog (voice)
Kyra Sedgwick (voice)
Sobbing Woman
Statue Guy
'Captain America'
Gobot
Tourist Mom
Bartender
Handsome Man
Sara
Dispatcher (voice)
Officer Fitzgibbon
Officer R. Bobbitt
Upside-Down Cop
Orloni Peddler
Steemie
Gloob
Gurb
Drunken Knowherean (uncredited)