Trinity Jo-Li Bliss attends the European Premiere of 20th Century Studios "Avatar: Fire and Ash" on December 05, 2025 in Boulogne-Billancourt, France. Lyvans Boolaky/Getty Images Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Logo text [This story contains spoilers for Avatar: Fire and Ash.] Avatar: Fire and Ash star Trinity Bliss is one of only a few people who's able to say that she grew up inside the imagination of James Cameron. In 2017, the filmmaker cast seven-year-old Bliss to play Tuk, the youngest member of Jake Sully (Sam Worthington) and Neytiri's (Zoe Saldaña) family. Her performance-capture role then wrapped when she was nine years old, but additional photography allowed her to return to her character plenty of times in the intervening years, including just a handful of months ago. When one says that the Thousand Oaks native grew up on the Manhattan Beach set of Avatar: The Way of Water and Avatar: Fire and Ash, it is by no means a figurative statement. Related Stories TV Christmas Has Never Been So Bingeable Movies Box Office: 'Avatar 3' Rings Out Very Merry Year for Disney, Studio Hits $6 Billion in Global Revenue in a Post-Pandemic First "It's funny because I'm finally Tuk's height [at 16]. She's 5'7'' or 5'8'' as a nine-year-old Na'vi. In the hair and makeup room on set, all of us kids who were growing up would mark our heights on this wall. I went from being at the bottom and so separated from everybody else to now being one of the tallest on the wall during [additional photography]," Bliss tells The Hollywood Reporter. With Tuk being the youngest sibling and only biological daughter of Jake and Neytiri, she's understandably treated with kid gloves. Her life has routinely been threatened by the Sullys' adversaries, be it Quaritch (Stephen Lang) and/or Oona Chaplin's new Fire and Ash baddie, Varang. When Chaplin wasn't holding Tuk captive, she would help Bliss catch up on schoolwork or hone her skills as a budding singer-songwriter. Like a lot of Gen Z kids, Bliss can do a little bit of everything. "Oona was very much not villainous off camera. We would make friendship bracelets together, or we'd play the guitar and ukulele together," Bliss recalls. "She even helped me make a diorama for school when I was behind on work." Before being abducted in the third act by Quaritch and Varang, Tuk finally had enough of being told to sit tight while everyone else got to be heroes. Sensing her adopted sister, Kiri (Sigourney "Sig" Weaver), and brother-like figure, Spider (Jack Champion), needing help, she connects to the Spirit Tree so she can assist their effort to summon aid from Eywa, the All-Mother of Pandora. "Tuk finally just realizes, 'I'm going to ask for forgiveness, not permission. I can't stay back and wonder if my family is going to be okay. I'm a fighter too, and they shouldn't underestimate me,'" Bliss says. "That whole mental process she goes through before she acts is part of her very core, and it's planting the seed for where she's going to go in [Avatar] four and five." Much like their relationship in the series, Bliss considers Champion to be her "brother from another mother." They quickly bonded over being the two youngest actors on set, as well as when they started a swear jar for repeat offenders like Cameron and Worthington. "We actually donated it to a good cause, a pet shelter. F-bombs were $5," Bliss says. "A little while after filming, I auditioned for a role that had to curse a lot, and Jim [Cameron] joked, 'We foul-mouthed people really prepared you for it.'" As for whether she'll continue to grow up on Pandora, it remains to be seen. As always, it will depend on what Fire and Ash's final box office tally will be after the typically lucrative holiday stretch. Cameron has also been hedging his bets in the press with regard to Avatar 4 and 5, so Bliss is on pins and needles like everybody else. To account for her and the rest of the young cast growing like weeds, pieces of the fourth chapter have already been shot. "In the past, it was always something I felt like I could rely on because I was just so looking forward to it. Of course, it would be a shock [if they didn't happen]," Bliss admits. "So I hope we get to continue on to four and five, but I don't really know how to feel about whether it's a sure thing or not. I'm just crossing my fingers." Below, during a spoiler conversation with THR, Bliss discusses the ins and outs of being both the youngest Sully and the youngest actor on Cameron's volume set. Then she shares some tidbits that she's accumulated over the years about the scripts of Avatar 4 and 5. *** I thought Jack Champion had a cool name, but I think Trinity Bliss tops it. (Laughs.) Thank you for that. We loved to joke about our names and compete over which one is the best. On set,