Guest Stars Jim Ward voices Professor Charles Xavier Tom Kane voices Erik Lehnsherr / Magneto Gwendoline Yeo voices Domino Mark Hildreth voices Pietro Maximoff / Quicksilver Kieren van den Blink voices Rogue Jim Ward voices Sentinels Jennifer Hale voices Jean Grey Kate Higgins voices Wanda Maximoff / Scarlet Witch Gwendoline Yeo voices Master Mold Tara Strong voices Marrow Kevin Michael Richardson voices Bishop Graham McTavish voices Sebastian Shaw Tara Strong voices Stepford Cuckoos Steve Blum voices Vanisher Nolan North voices Berzerker Tara Strong voices Laura Kinney / X-23 Corey Burton voices John Grey April Stewart voices Selene / Black Queen