Cast

• Patrick Stewart Professor Charles Xavier
• Hugh Jackman Logan / Wolverine
• Ian McKellen Eric Lensherr / Magneto
• Halle Berry Storm / Ororo Munroe
• Famke Janssen Jean Grey
• James Marsden Scott Summers / Cyclops
• Anna Paquin Rogue / Marie D'Ancanto
• Rebecca Romijn Mystique / Grace (as Rebecca Romijn-Stamos)
• Brian Cox William Stryker
• Alan Cumming Kurt Wagner / Nightcrawler
• Bruce Davison Senator Kelly
• Aaron Stanford John Allerdyce / Pyro
• Shawn Ashmore Bobby Drake / Iceman
• Kelly Hu Yuriko Oyama / Deathstrike
• Katie Stuart Kitty Pryde
• Kea Wong Jubilee
• Cotter Smith President McKenna
• Chiara Zanni White House Tour Guide
• Jackie A. Greenbank President's Secretary
• Michael Soltis White House Checkpoint Agent
• Michael David Simms Lead White House Agent
• David Fabrizio Oval Office Agent Fabrizio
• Roger R. Cross Oval Office Agent Cartwright
• Richard Bradshaw Special Ops Agent
• Bryce Hodgson Artie
• Glen Curtis Museum Teenager #1
• Greg Rikaart Museum Teenager #2
• Shauna Kain Siryn
• Ty Olsson Mitchell Laurio
• Alfonso Quijada Federal Bldg. Cleaning Twin #1
• Rene Quijada Federal Bldg. Cleaning Twin #2
• Brad Loree Stryker at age 40
• Sheri G. Feldman Augmentation Room Doctor
• Connor Widdows Jones
• Daniel Cudmore Colossus
• Peter Wingfield Stryker Soldier Lyman
• Charles Siegel Dr. Shaw
• Steve Bacic Dr. Hank McCoy
• Michael Reid MacKay Jason 143
• James Kirk Ronny Drake
• Jill Teed Madeline Drake
• Alf Humphreys William Drake (as Alfred E. Humphreys)
• Michasha Armstrong Plastic Prison Guard
• Robert Hayley Cop
• Mark Lukyn Cop #1, Lead Cop
• Kendall Cross Cop #2
• Keely Purvis Little Girl 143
• Dylan Kussman Stryker Soldier Wilkins
• Jason Whitmer Stryker Soldier Smith (as Jason S. Whitmer)
• Aaron Pearl Stryker Soldier
• Aaron Douglas Stryker Soldier #1
• Colin Lawrence Stryker Soldier #2
• Richard C. Burton Loading Bay Stryker Soldier #1
• Michael Joycelyn Loading Bay Stryker Soldier #2
• Nolan Funk Captured X-Kid
• Devin Douglas Drewitz Captured X-Kid
• Jermaine Lopez Captured X-Kid
• Sideah Alladice Captured X-Kid
• Kurt Max Runte Chief of Staff Abrahams
• Benjamin Glenday Cameraman
• Lori Stewart F-16 Fighter Pilot
• Ted Friend News Reporter
• Mi-Jung Lee News Reporter
• Marrett Green News Reporter
• Jill Krop News Reporter
• Brian Peck News Reporter
• Emily Hirst Ice Cream Girl (uncredited)
• David Kaye TV Host (uncredited)
• Blake Mawson X Kid #5 (uncredited)
• Darren McGuire Stryker Soldier stabbed in foot by Logan (uncredited)
• Jade Ramsey Twin X-Kid (uncredited)
• Nikita Ramsey Twin X-Kid (uncredited)
• Newton Thomas Sigel Police Officer (uncredited)
• Bryan Singer Security Officer in Magneto's Prison (uncredited)

Writers

• Zak Penn
• David Hayter
• Bryan Singer
• Michael Dougherty
• Dan Harris
• David Hayter

Producers

• Avi Arad
• Tom DeSanto
• Ross Fanger
• Kevin Feige
• David Gorder
• Stan Lee
• John H. Radulovic
• Selwyn Roberts
• Lauren Shuler Donner
• Bryan Singer
• Ralph Winter