Amy Acker is Samantha 'Sam' Claremont

Psi

Hugh Jackman is James 'Logan' Howlett

Wolverine

Anna Paquin is Marie D'Ancanto

Rogue

Famke Janssen is Jean Grey

[REDACTED]

James Marsden is Scott Summers

Cyclops

Halle Berry is Ororo Munroe

Storm

Sir Patrick Stewart is Charles Xavier

Professor X

Sir Ian McKellen Erik Lehnsherr

Magneto