Patrick Stewart, Ian McKellen returning for "X-Men: Days of Future Past"

Actors Patrick Stewart, left, and Ian McKellan. / Getty Images

Fans of the "X-Men" films will see two very familiar faces in the franchise's latest installment.

Director Bryan Singer announced on his Twitter account Tuesday that Patrick Stewart and Ian McKellen, who played Professor X and Magneto in the earlier films, are returning for "X-Men: Days of Future Past."

I'd like to officially welcome back James McAvoy, Jennifer Lawrence, Michael Fassbender, & Nicholas Hoult to #XMEN for #DaysOfFuturePast

-- Bryan Singer (@BryanSinger) November 27, 2012

Thrilled to announce @ianmckellen118 & @sirpatstew are joining the cast of #XMEN #DaysOfFuturePast #magneto #professorX More to come...

-- Bryan Singer (@BryanSinger) November 27, 2012

The film is the sequel to 2011's "X-Men: First Class," which was a reboot of the film franchise starring McAvoy as a young Professor X, Fassbender as Magneto and Lawrence as Mystique.

"Days of Future Past" is scheduled to be released on July 18, 2014.

Tell us: What do you think of Stewart and McKellen returning to "X-Men"?

[shinishiro]

I'm ecstatic to hear they will be rejoining. Both are extremely talented actors that capture their roles beautifully. Having been an X-MEN fan since childhood, I couldn't imagine two better actors to play Magneto and Prof X.