萨姆·沃辛顿
Sam Worthington
饰：杰克·萨利 Jake Sully
佐伊·索尔达娜
Zoe Saldana
饰：涅提妮 Neytiri
米歇尔·罗德里格兹
Michelle Rodriguez
饰：楚蒂·查肯 Trudy Chacon
西格妮·韦弗
Sigourney Weaver
饰：格蕾丝博士 Dr. Grace Augustine
史蒂芬·朗
Stephen Lang
饰：迈尔斯·夸奇上校 Colonel Miles Quaritch
吉奥瓦尼·瑞比西
Giovanni Ribisi
饰：帕克·塞尔弗里奇 Parker Selfridge
乔·大卫·摩尔
Joel David Moore
饰：诺姆·斯贝尔曼 Norm Spellman
拉兹·阿隆索
Laz Alonso
饰：苏泰 Tsu'tey
希·庞德
CCH Pounder
饰：姆亚 Moat
凯文·多曼
Kevin Dorman
饰：Tractor Operator
迪利普·劳
Dileep Rao
饰：Dr. Max Patel
彼得·门萨
Peter Mensah
饰：Horse Clan Leader
朱琳·雷妮
Julene Renee
饰：Ambient Room Tech
马特·杰拉德
Matt Gerald
饰：Corporal Lyle Wainfleet
伊拉姆·崔
Ilram Choi
饰：Basketball Avatar
斯科特·劳伦斯
Scott Lawrence
饰：Venture Star Crew Chief
韦斯·斯塔迪
Wes Studi
饰：埃图康 Eytukan
Jon Brent Curry
Jon Brent Curry
饰：Suit #2
伍迪·舒尔茨
Woody Schultz
饰：Ambient Room Tech
Michael Blain-Rozgay
Michael Blain-Rozgay
饰：Suit #1
凯尔森·亨德森
Kelson Henderson
饰：Dragon Gunship Pilot
雅克布·托毛里
Jacob Tomuri
饰：Dragon Gunship Navigator
肖恩·帕特里克·墨菲
Sean Patrick Murphy
饰：Shuttle Co-Pilot
J. Patrick Pitts
J. Patrick Pitts
饰：Shuttle Pilot
大卫·范·霍恩
David Van Horn
饰：Dragon Gunship Gunner
肖恩·安东尼·莫兰
Sean Anthony Moran
饰：Private Fike
凯利·基尔戈
Kelly Kilgour
饰：Lock Up Trooper
杰森·怀特
Jason Whyte
饰：Cryo Vault Med Tech
彼得·狄龙
Peter Dillon
饰：Shuttle Crew Chief
卢克·霍克
Luke Hawker
饰：Ambient Room Tech
Sonia Yee
Sonia Yee
饰：Link Room Tech
Kyla Warren
Kyla Warren
饰：Na'vi Child
克里斯·马拉
Chris Mala
饰：Troupe
Nikki
Nicole Dionne
饰：Nav'i (uncredited)
泰瑞·诺塔里
Terry Notary
饰：Banshee (uncredited)
迪恩·诺斯利
Dean Knowsley
饰：Samson Pilot (uncredited)
约瑟夫·米卡-亨特
Joseph Mika-Hunt
饰：Trooper (uncredited)
Nikie Zambo
饰：Na'vi (uncredited)
Brandon Jelkes
Brandon Jelkes
饰：Dancer,Navi
Jamie Harrison
Jamie Harrison
饰：Trooper (uncredited)
Mike Bodnar
Mike Bodnar
饰：Veteran miner (uncredited)
Nathan Meister
饰：Op Center Staff
Jahnel Curfman
饰：Basketball Avatar
凯·潘塔诺
Kai Pantano
饰：Soldier (uncredited)
马修·张伯伦
Matthew Chamberlain
饰：Op Center Staff (as Matt Chamberlain)
艾丽西娅·维拉-贝利
Alicia Vela-Bailey
饰：Ikran Clan Leader (uncredited)
詹姆斯·盖林
James Gaylyn
饰：Op Center Staff
Debra Wilson
Debra Wilson
饰：Troupe (as Debra Skelton)
Logan Pithyou
Logan Pithyou
饰：Blast Technician (uncredited)
Lisa Roumain
Lisa Roumain
饰：Troupe
Taylor Kibby
Taylor Kibby
饰：Troupe
Jodie Landau
Jodie Landau
饰：Troupe
Julie Lamm
Julie Lamm
饰：Troupe
Cullen B. Madden
Cullen B. Madden
饰：Troupe
Joseph Brady Madden
Joseph Brady Madden
饰：Troupe
Frankie Torres
Frankie Torres
饰：Troupe
Austin Wilson
Austin Wilson
饰：Troupe
Sara Wilson
Sara Wilson
饰：Troupe
Tamica Washington-Miller
Tamica Washington-Miller
饰：Troupe
Lucy Briant
Lucy Briant
饰：Op Center Staff
Gerry Blair
Gerry Blair
饰：Op Center Staff
Paul Yates
Paul Yates
饰：Op Center Staff
Wray Wilson
Wray Wilson
饰：Op Center Staff
Melvin Leno Clark III
Melvin Leno Clark III
饰：Dancer
理查德·怀特赛德
Richard Whiteside
饰：Geologist (uncredited)
Stuart Pollock
饰：Vindum Raah (uncredited)
T·J·斯托姆
T.J. Storm
饰：Col. Quaritch's Mech Suit (uncredited)
April Thomas
April Thomas
饰：Dancer
Carvon Futrell
Carvon Futrell
饰：Dancer
Micah Moch
Micah Moch
饰：Dancer
Hanniyah Muhammad
Hanniyah Muhammad
饰：Dancer
Christopher Nolen
Christopher Nolen
饰：Dancer
Christa Oliver
Christa Oliver
饰：Dancer
Bravita A. Threatt
Bravita A. Threatt
饰：Dancer
Raja
Raja
饰：Hero (uncredited)
Jodie Taylor
Jodie Taylor
饰：Female Marine (uncredited)
安东尼·英格鲁伯
Anthony Ingruber
饰：Ground Technician (uncredited)
Allan Henry
Allan Henry
饰：Trooper (uncredited)
Colin Bleasdale
Colin Bleasdale
饰：Mining Chief (uncredited)
Matt Clayton
Matt Clayton
饰：Richard (uncredited)
Ashley Jeffery
Ashley Jeffery
饰：Flight Crew Mechanic (uncredited)
Gareth Ruck
Gareth Ruck
饰：Ops Centreworker (uncredited)
Rhian Sheehan
Rhian Sheehan
饰：Engineer (uncredited)
拉斯科·阿特金斯
Lasco Atkins
饰：Trooper
Tim Mansell
Tim Mansell
饰：Miner
Ken Ohara
饰：Na`vi
Luis G. Portillo
饰：Bio Lab Scientist
乔恩·本宗
Jørn Benzon
艾玛·洛
Emma Law
詹姆斯·皮特
James Pitt
饰： 机场巴士驾驶员 Shuttle Pilot
罗文·贝特杰曼
Rowan Bettjeman
饰： Soldier
罗伯特·卡托
Robert Catto
饰： Biolab Technician
蒂姆·卡诺
Tim Kano
饰： Soldier
卡米尔·基南
Camille Keenan
饰： Waitress
季冠霖
Guanlin Ji
詹姆斯·罗伊·霍纳
James Horner
陆建艺
Jianyi Lu
丹尼尔·沃特森
Daniel Watterson
史提芬·朗
Stephen Lang
饰：迈尔斯·夸奇上校
乔尔·摩尔
Joel David Moore
饰：诺姆·斯贝尔曼