Patrick Stewart (Prof. Charles Xavier, AKA 'Professor X')
Hugh Jackman (Wolverine)
Ian McKellen (Magneto)
Halle Berry (Storm)
Alfred E. Humphreys (Steven Drake)
Nolan Funk (X-Kid)
Devin Douglas Drewitz (X-Kid)
Sideah Alladice (X-Kid)
Steve Bacic (Hank McCoy, AKA Beast)
Daniel Cudmore (Piotr Rasputin, AKA Colossus)
Bryce Hodgson (Arthur "Artie" Maddicks)
Ty Olsson (Mitchell Laurio)
Jill Teed (Madeline Drake)
Stephen Spender (Smith)
James N. Kirk (Ronny Drake)
Dylan Kussman (Wilkins)
Michael Reid Mackay (Jason 143)
Cotter Smith (President McKenna)
Keely Purvis (Little Girl 143)
Charles Siegel (Dr. Shaw)
Peter Wingfield (Lyman)
Jermaine Lopez (X-Kid)
Connor Widdows (Jones)
Rebecca Romijn (Mystique)
James Marsden (Cyclops)
Bruce Davison (Senator Kelly)
Shawn Ashmore (Bobby Drake/Iceman)
Aaron Stanford (John/Pyro)
Kelly Hu (Anne Reynolds, AKA Yuriko Oyama, AKA Lady Deathstrike)
Anna Paquin (Rogue)
Katie Stuart (Kitty Pryde)
Kea Wong (Jubilee)
Brian Cox (William Stryker)
Famke Janssen (Dr. Jean Grey)
Alan Cumming (Kurt Wagner, AKA Nightcrawler)