Guest Stars Jim Ward voices Professor Charles Xavier Tom Kane voices Erik Lehnsherr / Magneto Gwendoline Yeo voices Domino Mark Hildreth voices Pietro Maximoff / Quicksilver Richard Doyle voices Senator Robert Kelly 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 Phil LaMarr voices Bolivar Trask Graham McTavish voices Sebastian Shaw Tara Strong voices Stepford Cuckoos Steve Blum voices Vanisher