Chris Pratt: Peter Quill, Star-Lord

Zoe Saldana: Gamora

Dave Bautista: Drax

Michael Rooker: Yondu

Karen Gillan: Nebula

Pom Klementieff: Mantis

Sylvester Stallone: Stakar Ogord

Kurt Russell: Ego

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