<Li> Filip Geljo as Aonung, a young male hunter and free - diver of the Metkayina . </Li> <Li> Duane Evans Jr. as Rotxo, a young male hunter and free - diver of the Metkayina . </Li> <Li> Kate Winslet as Ronal, a free - diver of the Metkayina . Winslet called Ronal "a pivotal character in the ongoing story", but also "relatively small comparative to the lengthy shoot", as shooting all her scenes would only take a month . It marks her first time working with performance capture, or motion capture altogether; she, like most of the child cast, also had to learn free - diving for the film, ultimately being able to hold her breath for seven minutes . </Li> <Ul> <Li> Stephen Lang as Colonel Miles Quaritch, who led the forces of the RDA, the human organization colonizing Pandora, in their conflict with the Na'vi in the first film . Although the character died at the end of Avatar, Cameron confirmed in 2010 that Lang would return in the first three sequels, stating, "I'm not going to say exactly how we're bringing him back, but it's a science fiction story, after all . His character will evolve into really unexpected places across the arc of our new three - film saga". He later stated that Quaritch would act as main antagonist once again, in all four sequels . </Li> <Li> Giovanni Ribisi as Parker Selfridge, the corporate administrator for the RDA mining operation in the first film . </Li> <Li> Joel David Moore as Dr. Norm Spellman, a former part of the Avatar Program who chose to side with the Na'vi in the first film . </Li> <Li> Dileep Rao as Dr. Max Patel, a scientist who worked in the Avatar Program and came to support Jake's rebellion against the RDA in the first film . </Li> <Li> Matt Gerald as Corporal Lyle Wainfleet, a mercenary who fought for the RDA against the Na'vi in the first film . Despite the death of his character in the previous installment, Gerald was announced to reprise his role in August 2017 . </Li> <Li> Jack Champion as Javier "Spider" Socorro, a teenager born on Hell's Gate (the human base on Pandora in the first film) but who "prefers his time in the Pandoran rainforest". </Li> </Ul>

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