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* [[Kate Winslet]] vai Ronal<ref name="Vanity Fair Legacy">{{cite magazine|last=Keegan|first=Rebecca|date=November 26, 2017|title=James Cameron on Titanic's Legacy and the Impact of a Fox Studio Sale|url=https://www.vanityfair.com/hollywood/2017/11/james-cameron-titanic-20th-anniversary-avatar-terminator-fox-studios-sale|archive-url=https://web.archive.org/web/20171127161946/https://www.vanityfair.com/hollywood/2017/11/james-cameron-titanic-20th-anniversary-avatar-terminator-fox-studios-sale|archive-date=November 27, 2017|access-date=November 27, 2017|magazine=[[Vanity Fair (magazine)|Vanity Fair]]|url-status=live}}</ref><ref name="Wonder Wheel">{{cite news|last=Setoodeh|first=Ramin|date=October 24, 2017|title=Kate Winslet on Woody Allen, 'Wonder Wheel' and the 20th Anniversary of 'Titanic'|work=[[Variety (magazine)|Variety]]|url=https://variety.com/2017/film/features/kate-winslet-wonder-wheel-woody-allen-1202595654/|url-status=live|access-date=October 29, 2017|archive-url=https://web.archive.org/web/20171024210044/http://variety.com/2017/film/features/kate-winslet-wonder-wheel-woody-allen-1202595654/|archive-date=October 24, 2017|df=dmy-all}}</ref><ref name="Digital Spy Saldana Wrapped">{{cite web|url=http://www.digitalspy.com/movies/avatar/news/a859392/avatar-2-3-zoe-saldana-finished-shooting-james-cameron/|title=Zoe Saldana has already finished shooting Avatar 2 and 3|last=Mitchell|first=Bea|date=June 13, 2018|website=[[Digital Spy]]|archive-url=https://web.archive.org/web/20180626030504/http://www.digitalspy.com/movies/avatar/news/a859392/avatar-2-3-zoe-saldana-finished-shooting-james-cameron/|archive-date=June 26, 2018|url-status=live|access-date=June 26, 2018}}</ref><ref name="Cinema Blend Saldana Wrapped">{{cite web|url=https://www.cinemablend.com/news/2434960/zoe-saldana-has-wrapped-filming-and-other-details-about-avatar-2-and-3|title=Zoe Saldana Has Wrapped Filming, And Other Details About Avatar 2 And 3|last=Rawden|first=Jessica|date=June 13, 2018|website=[[Cinema Blend]]|archive-url=https://web.archive.org/web/20180626030743/https://www.cinemablend.com/news/2434960/zoe-saldana-has-wrapped-filming-and-other-details-about-avatar-2-and-3|archive-date=June 26, 2018|url-status=live|access-date=June 26, 2018}}</ref>
=== HumansCon người ===
** [[Giovanni Ribisi]] vai Parker Selfridge<ref name="RibisiReturns">{{cite news|last=N'Duka|first=Amanda|date=October 13, 2017|title='Avatar': Giovanni Ribisi Returning For All Four Sequels|website=[[Deadline Hollywood]]|url=https://deadline.com/2017/10/avatar-giovanni-ribisi-fox-sequels-1202187533/|url-status=live|access-date=October 13, 2017|archive-url=https://web.archive.org/web/20171013183845/http://deadline.com/2017/10/avatar-giovanni-ribisi-fox-sequels-1202187533/|archive-date=October 13, 2017}}</ref>
** [[Joel David Moore]] vai Dr. Norm Spellman<ref name="David Moore return">{{cite news|last=N'Duka|first=Amanda|date=May 31, 2017|title=Joel David Moore Returning For 'Avatar' Sequels|website=[[Deadline Hollywood]]|url=https://deadline.com/2017/05/joel-david-moore-avatar-sequels-fox-1202105375/|url-status=live|access-date=September 25, 2017|archive-url=https://web.archive.org/web/20170909020056/http://deadline.com/2017/05/joel-david-moore-avatar-sequels-fox-1202105375/|archive-date=September 9, 2017}}</ref>
** [[Dileep Rao]] vai Dr. Max Patel<ref name="RaoReturns">{{cite news|last=N'Duka|first=Amanda|date=January 25, 2018|title=Dileep Rao To Reprise His Role In James Cameron's 'Avatar' Films|website=[[Deadline Hollywood]]|url=https://deadline.com/2018/01/dileep-rao-james-cameron-avatar-sequels-1202269089/|url-status=live|access-date=January 25, 2018|archive-url=https://web.archive.org/web/20180126070752/http://deadline.com/2018/01/dileep-rao-james-cameron-avatar-sequels-1202269089/|archive-date=January 26, 2018}}</ref>
** [[Matt Gerald]] vai Corporal Lyle Wainfleet<ref name="Gerald return2">{{cite news|last=D'Alessandro|first=Anthony|date=August 7, 2017|title=Matt Gerald Returning To James Cameron's 'Avatar' World; Boards Crackle's 'The Oath'|website=[[Deadline Hollywood]]|url=https://deadline.com/2017/08/avatar-sequels-matt-gerald-returns-1202144393/|url-status=live|access-date=September 25, 2017|archive-url=https://web.archive.org/web/20170911221135/http://deadline.com/2017/08/avatar-sequels-matt-gerald-returns-1202144393/|archive-date=September 11, 2017}}</ref>
** Jack Champion vai Javier "Spider" Socorro<ref name="Young Cast 2" />
** [[Edie Falco]] vai General Ardmore<ref name="FalcoCast">{{Cite web|url=https://deadline.com/2019/02/avatar-james-cameron-edie-falco-1202550886/|title=Edie Falco Joins James Cameron's 'Avatar' Franchise|last1=D'Alessandro|first1=Anthony|date=February 6, 2019|website=[[Deadline Hollywood]]|archive-url=https://web.archive.org/web/20190425060109/https://deadline.com/2019/02/avatar-james-cameron-edie-falco-1202550886/|archive-date=April 25, 2019|url-status=live|access-date=February 6, 2019}}</ref>
** [[Brendan Cowell]] vai Captain Mick Scoresby<ref name="CowellCast">{{Cite web|url=https://www.hollywoodreporter.com/heat-vision/avatar-casts-game-thrones-actor-brendan-cowell-1197741|title='Avatar' Sequels Cast 'Game of Thrones' Actor Brendan Cowell|last=Couch|first=Aaron|date=March 28, 2019|website=[[The Hollywood Reporter]]|archive-url=https://web.archive.org/web/20190328231923/https://www.hollywoodreporter.com/heat-vision/avatar-casts-game-thrones-actor-brendan-cowell-1197741|archive-date=March 28, 2019|url-status=live|access-date=March 28, 2019}}</ref>
** [[Michelle Yeoh]] vai Dr. Karina Mogue<ref name="YeohCast">{{Cite web|url=https://deadline.com/2019/04/michelle-yeoh-james-cameron-avatar-sequels-1202596060/|title=Michelle Yeoh Boards 'Avatar' Sequels|last1=N'Duka|first1=Amanda|date=April 15, 2019|website=[[Deadline Hollywood]]|archive-url=https://web.archive.org/web/20190417134324/https://deadline.com/2019/04/michelle-yeoh-james-cameron-avatar-sequels-1202596060/|archive-date=April 17, 2019|url-status=live|access-date=April 15, 2019}}</ref>
** [[Jemaine Clement]] vai Dr. Ian Garvin<ref>{{Cite web|url=https://variety.com/2019/film/news/avatar-sequels-jemaine-clement-1203215845/|title=James Cameron's 'Avatar' Sequels Casts Jemaine Clement|last1=McNary|first1=Dave|author-link=Dave McNary|date=May 15, 2019|work=[[Variety (magazine)|Variety]]|archive-url=https://web.archive.org/web/20190517222748/https://variety.com/2019/film/news/avatar-sequels-jemaine-clement-1203215845/|archive-date=May 17, 2019|url-status=live|access-date=May 15, 2019}}</ref>
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