Sophie Turner Jean Grey / Dark Phoenix James McAvoy Charles Xavier / Professor X Nicholas Hoult Hank McCoy / Beast Tye Sheridan Scott Summers / Cyclops Michael Fassbender Erik Lensherr / Magneto Alexandra Shipp Ororo Munroe / Storm Evan Peters Peter Maximoff / Quicksilver Jessica Chastain Vuk Kodi Smit-McPhee Kurt Wagner / Nightcrawler Jennifer Lawrence Raven Darkholme / Mystique Scott Shepherd Dr. John Grey Ato Essandoh Jones Brian d'Arcy James President of the United States Halston Sage Alison Blaire / Dazzler Lamar Johnson Ben Hammil / Match Summer Fontana Young Jean Grey Hannah Anderson Elaine Grey Josh McLaglen Hospital Doctor Todd Hallowell Hospital Doctor Karen Ivany Launch Anchor Lynne Adams NASA Flight Director Alex Gravenstein NASA Tech Daniel Rindress-Kay NASA Tech Raphael Grosz-Harvey NASA Tech Orphée Ladouceur-Nguyen NASA Tech Dan Duran News Anchor Gryffin Hanvelt Brazilian Kid Frank Fontaine Dive Bar Elderly Man Daniel Cudmore (uncredited)