Patrick Stewart .... Professor Charles Xavier
Hugh Jackman .... Logan/Wolverine
Ian McKellen .... Eric Lensherr/Magneto
Halle Berry .... Ororo Munroe/Storm
Famke Janssen .... Dr. Jean Grey/Phoenix
Anna Paquin .... Marie/Rogue
Kelsey Grammer .... Dr. Hank McCoy/Beast
Rebecca Romijn .... Raven Darkholme/Mystique
Shawn Ashmore .... Bobby Drake/Iceman
Ellen Page .... Kitty Pryde/Shadowcat
Ben Foster .... Warren Worthington III/Angel
Aaron Stanford .... John Allerdyce/Pyro
James Marsden .... Scott Summers/Cyclops
Olivia Williams .... Dr. Moira MacTaggart
Daniel Cudmore .... Piotr Rasputin/Colossus
Vinnie Jones .... Cain Marko/Juggernaut
Dania Ramirez .... Callisto
Cameron Bright .... Leech
Michael Murphy .... Warren Worthington, Sr.
Eric Dane .... Jamie Madrox/Multiple Man
Shauna Kain .... Theresa Rourke/Siryn
Mei Melançon .... Elizabeth Braddock/Psylocke (as Mei Melançon)
Omahyra .... Philippa Sontag/Arclight (as Omahyra Mota)
Kea Wong .... Jubilation Lee/Jubilee