Zoe Saldana has played several significant roles in science fiction films, including:

Neytiri in Avatar (2009), where she portrayed a warrior and leader in a post-apocalyptic world. Gamora in the Guardians of the Galaxy franchise, showcasing her as a fierce and complex character2 Nyota Uhura in the Star Trek reboot series, where she plays a powerful and respected character in a male-dominated field2 She has also appeared in Avatar: The Way of Water and Avengers: Endgame, further solidifying her status in the science fiction genre

Just wondering how an actor gets type cast as a ‘science fiction’ person.