Jenny Jue is the casting director for this movie and recently had an Ask Me Anything on r/movies . A fan asked her about the original voice actors not returning, and her response is the screenshot.

The animated movie (out January 2026) is announced to feature the Gaang as young adults. New voice actors are confirmed for Aang, Katara, Toph, and Sokka. Regarding Zuko, Dante Basco has said that he does not know what’s going to happen.