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Sam Worthington

(Jake Sully)

Zoe Saldaña

(Neytiri)

Sigourney Weaver

(Dr. Grace Augustine)

Stephen Lang

(Colonel Miles Quaritch)

Michelle Rodriguez

(Trudy Chacon)

Giovanni Ribisi

(Parker Selfridge)

Joel David Moore

(Norm Spellman)

CCH Pounder

(Mo'at)

Wes Studi

(Eytukan)

Laz Alonso

(Tsu'Tey)

Dileep Rao

(Dr. Max Patel)

Matt Gerald

(Corporal Lyle Wainfleet)

Sean Anthony Moran

(Private Fike)

Jason Whyte

(Cryo Vault Med Tech)

Scott Lawrence

(Venture Star Crew Chief)

Kelly Kilgour

(Lock Up Trooper)

James Patrick Pitt

(Shuttle Pilot)

Sean Patrick Murphy

(Shuttle Co-Pilot)

Peter Dillon

(Shuttle Crew Chief)

Kevin Dorman

(Tractor Operator)

Kelson Henderson

(Dragon Gunship Pilot)

David Van Horn

(Dragon Gunship Gunner)

Jacob Tomuri

(Dragon Gunship Navigator)

Michael Blain-Rozgay

(Suit #1)

Jon Curry

(Suit #2)

Julene Renee

(Ambient Room Tech / Troupe)

Luke Hawker

(Ambient Room Tech)

Woody Schultz

(Ambient Room Tech / Troupe)

Peter Mensah

(Horse Clan Leader)

Ilram Choi

(Basketball Avatar)

Lisa Roumain

(Troupe)

Debra Wilson

(Troupe)

Chris Mala

(Troupe)

Nathan Meister

(Op Center Staff)

Matthew Chamberlain

(Op Center Staff)

Paul Yates

(Op Center Staff)

James Gaylyn

(Op Center Staff)

Micah Moch

(Dancer)

Alicia Vela-Bailey

(Ikran Clan Leader (uncredited))

Larry Rew

(Crematorium Tech (uncredited))

Dina Morrone

(TV Voice Over Announcer (voice) (uncredited))

Rodney Cook

(Trooper (uncredited))