Hugh Jackman ... Logan/Wolverine
Patrick Stewart ... Professor Charles Xavier
Ian McKellen ... Eric Lensherr/Magneto
Famke Janssen ... Jean Grey
James Marsden ... Scott Summers/Cyclops
Halle Berry ... Ororo Munroe/Storm
Anna Paquin ... Rogue/Marie D'Ancanto
Tyler Mane ... Sabretooth
Ray Park ... Toad
Rebecca Romijn ... Mystique (as Rebecca Romijn-Stamos)
Bruce Davison ... Senator Kelly
Matthew Sharp ... Henry Gyrich
Rhona Shekter ... Magneto's Mother
Kenneth McGregor ... Magneto's Father
Shawn Roberts ... Rogue's Boyfriend
Donna Goodhand ... Rogue's Mother
John Nelles ... Rogue's Father (as John E. Nelles)
George Buza ... Trucker
Darren McGuire ... Contender
Carson Manning ... Waterboy #1
Scott Leva ... Waterboy #2
Aron Tager ... Emcee
Kevin Rushton ... Stu
Doug Lennox ... Bartender
David Nichols ... Newscaster #1
Malcolm Nefsky ... Stu's Buddy
Sumela Kay ... Kitty Pryde/Shadowcat
Shawn Ashmore ... Bobby Drake/Iceman
Katrina Florece ... Jubilation Lee/Jubilee
Alex Burton ... John Allerdyce/Pyro (as Alexander Burton)
Quinn Wright ... Lily Pond Kid
Daniel Magder ... Boy on Raft
Matt Weinberg ... Tommy
Madison Lanc ... Tommy's Sister
Stan Lee ... Hot Dog Vendor
Marsha Graham ... Newscaster #2
Amy Leland ... Cerebro
Adam Robitel ... Guy on Line
David Brown ... Lead Cop (as Dave Brown)
Ben Jensen ... Sabretooth Cop (as Ben P. Jensen)
Tom DeSanto ... Toad Cop
Todd Dulmage ... Coast Guard
Dan Duran ... Newscaster #3
Elias Zarou ... U.N. Secretary General
David Black ... President
Robert R. Snow ... Secret Service
David Hayter ... Museum Cop
Cecil Phillips ... Security Guard
Dave Allen Clark ... Newscaster #4
Deryck Blake ... Plastic Prison Guard
Ilke Hincer ... Translator
Ron Sham ... Translator
Jay Yoo ... Translator
Grigori Miakouchkine ... Translator (as Gregori Miakouchkine)
Eleanor Comes ... Translator
Giuseppe Gallaccio ... Translator
Rupinder Brar ... Translator
Abi Ganem ... Translator
Joey Purpura ... German Soldier
Manuel Verge ... German Soldier
Wolfgang Müller ... German Soldier
Ralph Zuljan ... German Soldier
Andy Grote ... German Soldier
Denis Bellingham ... Man in Bar (uncredited)
Eric Bryson ... Police Officer (uncredited)
Kyler Fisher ... Additional Voices (uncredited)
Marc Gagne ... Bar Patron (uncredited)
Gary Goddard ... Man at Beach (uncredited)
Matthew Granger ... Weapon X Program Surgeon (uncredited)
Donald Mackinnon ... Student at Xavier School (uncredited)
Brian Peck ... Hot Dog Stand Customer (uncredited)
Quentin Wright ... Student at Xavier School (uncredited)

Directed by .... Bryan Singer
Story by .... Tom DeSanto & Bryan Singer
Screenplay by .... David Hayter