Sam Worthington as Jake Sully
Zoe Saldana as Neytiri
Sigourney Weaver as Dr. Grace Augustine
Stephen Lang as Colonel Miles Quaritch
Giovanni Ribisi as Parker Selfridge
Joel Moore as Norm Spellman
Michelle Rodriguez as Trudy Chacon
C. C. H. Pounder as Moat
Wes Studi as Eytukan
Laz Alonso as Tsu'tey
