Sam Worthington

Jake Sully

Zoe Saldaña

Neytiri

Sigourney Weaver

Kiri

Stephen Lang

Colonel Miles Quaritch

Kate Winslet

Ronal

Cliff Curtis

Tonowari

Joel David Moore

Norm Spellman

CCH Pounder

Mo'at

Edie Falco

General Frances Ardmore

Jemaine Clement

Dr. Ian Garvin

Giovanni Ribisi

Parker Selfridge

Britain Dalton

Lo'ak

Jamie Flatters

Neteyam

Trinity Jo-Li Bliss

Tuktirey 'Tuk'

Jack Champion

Miles 'Spider' Socorro

Brendan Cowell

Mick Scoresby

Bailey Bass

Tsireya

Filip Geljo

Aonung

Duane Evans Jr.

Rotxo

Dileep Rao

Dr. Max Patel

Matt Gerald

Recom Wainfleet

Robert Okumu

Ta'unui Olecthan

Jennifer Stafford

Ta'unui Tsahik / Troupe

Keston John

Tarsem

Kevin Dorman

Recom Mansk / Troupe

Alicia Vela-Bailey

Recom Zdinarsik

Sean Anthony Moran

Recom Fike

Andrew Arrabito

Recom Prager

Johnny Alexander

Recom Ja / Troupe

Kim Do

Recom Zhang

Victor T. Lopez

Recom Lopez

Maria Walker

Recom Walker

Phil Brown

Stringer

Jocelyn Christian

Bio Lab Tech

Joel Tobeck

Neuroscientist

Moana Ete

Female Med-Tech

Phil Peleton

Male Med-Tech

Jamie Landau

Metkayina Warrior

Jim Moore

Mako Sub #1 Pilot

Benjamin Hoetjes

Mako Sub #1 Gunner

Nikita Tu Bryant

Mako Sub #2 Pilot

Anthony Ahern

Mako Sub #2 Gunner

Shane Rangi

Matador Co-Pilot

Rick Lucas

Kestrel Pilot

Tanya Drewery

Neurotech #1

Ava Diakhaby

Neurotech #2

Isaac Te Reina

Sea Dragon First Mate

Eric Farmer

Crabsuit Pilot

Philip Mtambo

Skel Trooper

Daniel Lough

Spider Double

Cruz Moir

Young Spider

Alex Lucas

Toddler Spider

Scarlett Fernandez

Young Kiri

Chloe Coleman

Young Lo'ak

Jeremy Irwin

Young Neteyam

Kacie Borrowman

Troupe

Courtney Rosemont

Troupe

Julene Renee

Troupe

Jake McLean

Troupe

Kevin Henderson

Troupe

Shawn Driscoll

Troupe

Devereau Chumrau

Troupe

Tarikura Kapea

Troupe

CJ Jones

Metkayina Interpreter (uncredited)