Ten character-driven science fiction films use distinctive protagonists—from Scarlett Johansson's alien in Under the Skin and Ellen Ripley in Alien to Caleb, Ava and Nathan in Ex Machina, Theodore and Samantha in Her, Vincent Freeman in G… #aliens #apr2026 #collider #ovni #uap #ufo #ufosky #usa #za https://collider.com/best-sci-fi-movies-character-driven-ranked