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

Sonia Yee Link Room Tech

Jahnel Curfman Basketball Avatar / Troupe

Ilram Choi Basketball Avatar

Kyla Warren Na'vi Child

Lisa Roumain Troupe

Debra Wilson Troupe

Taylor Kibby Troupe

Jodie Landau Troupe

Chris Mala Troupe

Julie Lamm Troupe

Cullen B. Madden Troupe

Joseph Brady Madden Troupe

Frankie Torres Troupe

Austin Wilson Troupe

Sara Wilson Troupe

Tamica Washington-Miller Troupe

Lucy Briant Op Center Staff

Nathan Meister Op Center Staff

Gerry Blair Op Center Staff

Matthew Chamberlain Op Center Staff

Paul Yates Op Center Staff

Wray Wilson Op Center Duty Officer

James Gaylyn Op Center Staff

Melvin Leno Clark III Dancer

Carvon Futrell Dancer

Brandon Jelkes Dancer

Micah Moch Dancer

Haniyyah Tahirah Dancer

Christopher Nolen Dancer

Christa Oliver Dancer

April Marie Thomas Dancer

Bravita A. Threatt 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)