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

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)