Talos

Talos is a recurring character in the Marvel Cinematic Universe, appearing as the tritagonist of Captain Marvel, and a supporting character in Spider-Man: Far From Home.
He is a Skrull general and, unlike his comic counterpart, takes on a heroic role as he becomes an ally of Captain Marvel to fight against the Kree Empire and save his entire race from annihilation.
Talos is portrayed by Ben Mendelsohn in his true form and in disguise as Keller; in his various disguises, he is portrayed by Chuku Modu, Emily Ozrey, Abigaille Ozrey, Duane Henry, and Samuel L. Jackson.