Kai Luke Brümmer (also stylised as Brummer) is a South African actor. He is known for his role as Nicholas van der Swart in the 2019 film Moffie. The Guardian named him one of the best new-and-up-comers at the 76th Venice Film Festival.
So this would be a movie about the X-Men, and obviously there would be some of the main X-Men characters, but it would definitely focus on lesser known X-Men characters that haven't been in very many scenes of official movies, if at all.