Brian Cox, best known for his Emmy-nominated guest spot on Fraiser has just signed on to play the villain William Stryker in 20^th Century Fox's X-Men 2.

Cox will be joining an all-star cast of returning characters including Professor X (Patrick Stewart), Wolverine (Hugh Jackman), Storm (Halle Berry), Magneto (Ian McKellen), Rogue (Anna Paquin), Cyclops (James Marsden), Dr. Grey (Famke Janssen) and Mystique (Rebecca Romijn-Stamos).

Also new to the cast is the quirky yet engaging Alan Cumming, who will be playing a new superhero called Nightcrawler.