Suggestions by @untrustworthy

Reid Scott

as Mr. Sinister in X-Men MCU

Guilherme Seta

as Sunspot in X-Men MCU

Chloe East

as Magik in X-Men MCU

Kristofer Hivju

as Cable in X-Men MCU

Ben Barnes

as Magneto in X-Men MCU

Zach McGowan

as Sabretooth in X-Men MCU

Nathalie Emmanuel

as Mystique in X-Men MCU

Omar Metwally

as Apocalypse in X-Men MCU

Emilia Jones

as Rogue in X-Men MCU

KJ Apa

as Gambit in X-Men MCU

Miyako

as Jubilee in X-Men MCU

Damson Idris

as Bishop in X-Men MCU

Mackenyu

as Sunfire in X-Men MCU

Cailee Fleming

as Shadowcat in X-Men MCU

Luke Benward

as Colossus in X-Men MCU

Dominique Fishback

as Storm in X-Men MCU

Jamie Campbell Bower

as Nightcrawler in X-Men MCU

Lucas Hedges

as Beast in X-Men MCU

Milo Manheim

as Havok in X-Men MCU

Sophia Lillis

as Polaris in X-Men MCU