Kate Winslet and Zoe Saldaña did film together underwater for the production of the Avatar sequels, specifically for *Avatar: The Way of Water* and the upcoming *Avatar: Fire and Ash*. This collaboration is documented in the two-part documentary *Fire and Water: Making the Avatar Films*, which premiered on Disney+ on November 7, 2025. The documentary offers an extensive behind-the-scenes look at the making of these films, focusing heavily on the innovative underwater performance capture technology used during filming[1][2][3][4][5][6].
Both actresses were part of a cast that trained extensively in free diving and underwater acting to authentically portray their characters in the aquatic world of Pandora. The filming took place in a massive, state-of-the-art 680,000-gallon water tank, designed to capture realistic underwater performances. This was a pioneering effort in filmmaking, as underwater motion capture is technically challenging and required the cast and crew to develop new techniques and skills[2][3][4][5][6].
The documentary features interviews with Kate Winslet, Zoe Saldaña, director James Cameron, and other key cast and crew members. It reveals how the actors, including Winslet and Saldaña, worked closely with the production team to master underwater acting, which involved holding their breath for extended periods and performing complex scenes beneath the surface. This process was crucial to bringing the underwater world of Pandora to life with authenticity and emotional depth[1][3][4][5][6].
In summary, Kate Winslet and Zoe Saldaña did indeed film together underwater as part of the Avatar franchise, and their work is highlighted in the documentary *Fire and Water: Making the Avatar Films*, which showcases the groundbreaking underwater filming techniques and the actors’ dedication to their roles in this unique environment.
