Suggestions by @jasonwells

Emily Meade

as Polaris in X-MEN

Dave Franco

as Changeling / Morph in X-MEN

Drew Van Acker

as Mimic in X-MEN

Sean Depner

as Colossus in X-MEN

Noel Fisher

as Wolverine in X-MEN

Curran Walters

as Vulcan in X-MEN

Jack Haven

as MARVEL GIRL in X-MEN

Jack Haven

as MARVEL GIRL in X-MEN

Jeremy Irons

as Magneto / The Master of Magnetism & Joseph in X-MEN

Gary Oldman

as PROFESSOR X in X-MEN

Liam Neeson

as PROFESSOR X in X-MEN

Anna Kendrick

as MARVEL GIRL in X-MEN

Anya Taylor-Joy

as MARVEL GIRL in X-MEN

Zane Holtz

as CYCLOPS in X-MEN

Benjamin Wadsworth

as CYCLOPS in X-MEN

Dylan O'Brien

as ICEMAN in X-MEN

Reeve Carney

as ANGEL in X-MEN

Cody Fern

as ANGEL in X-MEN

Jay R. Ferguson

as BEAST in X-MEN

Jonathan Daniel Brown

as BEAST in X-MEN