Professor X (voice)
Mystique (voice) (as Grey DeLisle)
Garokk / Living Monolith (voice)
Nightcrawler (voice)
Sabretooth / Blob / Holocaust (voice)
Rogue (voice) (as Cat Taber)
Havok (voice)
Blink (voice)
Storm (voice) (as Dawn Lewis)
Sebastian Shaw (voice)
Angel (voice)
Jean Grey (voice)
Juggernaut (voice)
Mister Sinister / Stryfe (voice) (as Dan Riordan)
Sunfire (voice)
Gambit / Mikhail Rasputin (voice)
Bastion (voice)
Iceman / Sugar Man (voice)
Apocalypse (voice)
Magneto (voice) (as Richard Greene)
Pyro / Sauron / Deadpool (voice)
Lady Deathstrike / Kitty Pryde (voice)
Banshee / Abyss (voice)
Grizzly (voice)
Iron Man / Ka-Zar (voice)
Scarlet Witch / Stepford Sisters (voice)
Colossus / Guardian (voice)
Toad / Zealot (voice) (as Armin Shimmerman)
Bishop / Nick Fury (voice)
Wolverine / Omega Red (voice) (as Steven Jay Blum)
Forge (voice)
Beast (voice)
Cyclops (voice)
Moira McTaggert (voice)
Heather Hudson / Destiny (voice)
Black Queen (voice)
Shanna (voice)
Emma Frost (voice)
Announcer / Anubite Greater (voice)
Anubite / Behemoth (voice)
Stone Guardian / Danger Room Computer (voice) (as Zack Quarles)