​Kevin Costner as Lieutenant Commander Tom Farrell, US Navy

​Gene Hackman as Secretary of Defense David Brice

​Sean Young as Susan Atwell

​Peggy Carter, portrayed by Hayley Atwell, plays a more prominent role in the Marvel Cinematic Universe series of feature films, beginning with 2011's Captain America: The First Avenger, and continuing in the tie-in video game Captain America: Super Soldier; a Marvel One Shot short film; the 2014 feature-film sequel Captain America: The Winter Soldier, the television series Marvel's Agent Carter and most recently, the 2015 sequel Avengers: Age of Ultron...

​An extremely strong telepath who can also change her entire body into hard diamond form which grants her superhuman strength, stamina, psionic immunity, and durability, at the cost of using her telepathic abilities. She is a member of the Hellfire Club.

​X-Men: First Class charts the epic beginning of the X-Men saga, and reveals a secret history of famous global events. Before mutants had revealed themselves to the world, and before Charles Xavier and Erik Lehnsherr took the names Professor X and Magneto, they were two young men discovering their powers for the first time. Not archenemies, they were instead at first the closest of friends, working together with other Mutants to prevent nuclear Armageddon. In the process, a grave rift between them opened, which began the eternal war between Magneto’s Brotherhood and Professor X’s X-Men

​Mystique is a member of a subspecies of humanity known as mutants, who are born with superhuman abilities. Mystique is a shapeshifter who can mimic the appearance and voice of any person with exquisite precision, and her natural appearance includes blue skin and yellow eyes.