James McAvoy
Charles Xavier / Professor X
Michael Fassbender
Erik Lehnsherr / Magneto
Kevin Bacon
Sebastian Shaw / Black King
Rose Byrne
Moira MacTaggert
Jennifer Lawrence
Raven Darkholme / Mystique
Nicholas Hoult
Hank McCoy / Beast
Lucas Till
Alex Summers / Havok
January Jones
Emma Frost / White Queen
Caleb Landry Jones
Sean Cassidy / Banshee
Zoë Kravitz
Angel Salvadore / Tempest
Edi Gathegi
Armando Muñoz / Darwin
Álex González
Janos Quested / Riptide
Oliver Platt
Man in Black Suit
Matt Craven
CIA Director McCone
Laurence Belcher
Charles Xavier (12 Years)
Morgan Lily
Young Raven (10 yrs)
Corey Johnson
Chief Warden
Glenn Morshower
Colonel Hendry
Don Creech
William Stryker
Ludger Pistor
1st German / Pig Farmer
Wilfried Hochholdinger
2nd German / Tailor
Greg Kolpakchi
Russian Soldier No. 1
Andrei Zayats
Russian Soldier No. 2
Rade Šerbedžija
Russian General
Ray Wise
Secretary of State
Michael Medeiros
Political Officer
Olek Krupa
Soviet Captain
Yuri Naumkin
Soviet Fire Control
Gene Farber
Soviet Radioman
Katrine De Candole
Swiss Receptionist
James Faulkner
Swiss Bank Manager
Juan Herrera
Airport Worker
Jarid Faubel
US Fire Control Officer
Kieran Patrick Campbell
Little Boy
Sasha Pieterse
Teenage Girl
Brendan Fehr
Communications Officer
Venya Manzyuk
Lt. Commander
Tony Curran
Man In Black Suit Agent
Randall Batinkoff
Man In Black Suit Agent
Peter Stark
Storm Trooper No. 1
Leonard Redlich
Storm Trooper No. 2
Carlos Peres
German Bartender
Sean Brown
Russian Chopper Pilot
Neil Fingleton
Russian General's Bodyguard 1
Marios
Russian General's Bodyguard 2
Georg Nikoloff
Mr. Lensherr (Erik's Dad)
Arthur Darbinyan
Aral Sea Captain
John F. Kennedy
Himself (archive footage)
Hugh Jackman
Logan / Wolverine (uncredited)
Rebecca Romijn
Mystique - Older (uncredited)
David Joseph Martinez
Cuban General #1 (uncredited)
Johnny Otto
Russian Soldier (uncredited)
Josh Ramsay
Banshee (voice) [Uncredited]