Blu Hunt (Danielle Moonstar / Mirage), Maisie Williams (Rahne Sinclair / Wolfsbane), Anya Taylor-Joy (Illyana Rasputin / Magik), Charlie Heaton (Samuel Guthrie / Cannonball), Henry Zaga (Roberto da Costa / Sunspot), Alice Braga (Dr. Cecilia Reyes), Adam Beach (Dani's Father) more..., Thomas Kee (Thomas Guthrie), Colbi Gannett (Young Illyana), Happy Anderson (Reverend Craig), Dustin Ceithamer (Smiling Man), Marilyn Manson (Smile Men (voice)), Mickey Gilmore (Coal Miner), Jeffrey Corazzini (Coal Miner)

Ronna Kress (Casting), Karen Rosenfelt (Producer), Lauren Shuler Donner (Producer), Stan Lee (Executive Producer), Peter Deming (Director of Photography), Molly Hughes (Production Design), Simon Kinberg (Producer) more..., Mark Snow (Original Music Composer), Brenda McNally (Hair Department Head), Robb Sullivan (Editor), Leesa Evans (Costume Design), Trish Seeney (Makeup Department Head), Len Wein (Characters), Nate Walcott (Additional Music), Hutch Parker (Producer), Chris Claremont (Comic Book), Mike Mogis (Additional Music), Carey Jones (Makeup Effects), Josh Boone (Screenplay), Merissa Lombardo (Set Decoration), Matthew Rundell (Editor), Steve Cooper (Art Direction), Virginia B. Johnson (Costume Design), Dan O'Connell (Foley Artist), Ravi Bansal (Art Direction), Knate Gwaltney (Screenplay), Casey McDougal (Stand In), Katrina Schiller (Music Editor), Howard Samuelsohn (Dialect Coach), Camille Friend (Hairstylist), Nichole Pleau (Key Makeup Artist), Thomas Carroll (Pyrotechnician), John Ruggieri (Pyrotechnic Supervisor), Mark Hawker (Special Effects Supervisor), Andrew Buckland (Editor), Steve Cantamessa (Sound Mixer), Scott La Rue (Boom Operator), Christopher Walsh (Special Effects Technician), Acei Martin (Stand In), Anthony Raymond (Set Designer) and others.