- 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)
- Bill Milner - Young Erik
- Morgan Lily - Young Raven (10 yrs)
- Beth Goddard - Mrs. Xavier
- Éva Magyar - Edie Lensherr
- Corey Johnson - Chief Warden
- Demetri Goritsas - Levene
- Glenn Morshower - Colonel Hendry
- Don Creech - William Stryker
- James Remar - US General
- 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
- Gene Farber - Soviet Radioman
- David Agranov - Soviet NCO
- Katrine De Candole - Swiss Receptionist
- James Faulkner - Swiss Bank Manager
- Annabelle Wallis - Co-Ed
- Juan Herrera - Airport Worker
- Greg Savage - Coast Guard
- Jarid Faubel - US Fire Control Officer
- Gregory Cox - Dr. Leigh
- Josh Cohen - Junior Agent
- David Crow - Weasley Agent
- Kieran Patrick Campbell - Little Boy
- Sasha Pieterse - Teenage Girl
- Brendan Fehr - Communications Officer
- Michael Ironside - Captain
- Jason Beghe - XO
- Venya Manzyuk - Lt. Commander
- Tony Curran - Man In Black Suit Agent
- Randall Batinkoff - Man In Black Suit Agent
- Peter Stark - Storm Trooper No. 1
- Carlos Peres - German Bartender
- Neil Fingleton - Russian General's Bodyguard 1
- 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)
- Spiro Razatos
- Annie Penn
- Josh McLaglen
- Josh Robertson
- Brian Smrz
- Alexander Witt
- Bryan Singer
- Jane Goldman
- Ashley Miller
- Zack Stentz
- Matthew Vaughn
- Sheldon Turner
- Tarquin Pack
- Johnny Gidcomb
- Lauren Shuler Donner
- Jason Taylor
- Simon Kinberg
- Lucinda Syson
- Dan O'Connell
- Michael Maroussas
- Derek Casari
- James Ashwill
- Henry Jackman
- Tim Gomillion
Capítulo disponible en las siguientes plataformas:
