Suggestions by @cresent_fancasting

Derek Theler

as Cain Marko (Young Adult) in Professor X and Magneto Origin

Score: +1

Jacob Buster

as Cain (Young) in Professor X and Magneto Origin

Score: +1

Armie Hammer

as Charles Xavier (Young Adult) in Professor X and Magneto Origin

Score: +1

Jacob Tremblay

as Charles (Young) in Professor X and Magneto Origin

Score: +1

Max Riemelt

as Dr.Kurt Marko in Professor X and Magneto Origin

Score: +1

Sigourney Weaver

as Sharon Xavier-Marko in Professor X and Magneto Origin

Score: +1

Willem Dafoe

as Dr.Brian Xavier in Professor X and Magneto Origin

Score: +1

Stanley Tucci

as Charles Xavier in Professor X and Magneto Origin

Score: +1

Hafþór Júlíus Björnsson

as Juggernaut in The New X-Men

Score: +1

Sean Pertwee

as Magneto in The New X-Men

Score: +1

Ana de Armas

as Mystique in The New X-Men

Score: +1

Christian Bale

as Brian Braddock in The New X-Men

Score: +1

Katrina Law

as Psylocke in The New X-Men

Score: +1

Millie Bobby Brown

as Kitty Pryde in The New X-Men

Score: +1

Jodie Turner-Smith

as Storm in The New X-Men

Score: +1

Dacre Montgomery

as Gambit in The New X-Men

Score: +1

Alexandra Daddario

as Rogue in The New X-Men

Score: +1

Finn Wolfhard

as Archangel in The New X-Men

Score: +1

Timothée Chalamet

as Nightcrawler in The New X-Men

Score: +1

Florian Munteanu

as Colossus in The New X-Men

Score: +1