'X-Men' Star James Marsden's Advice to Young Cyclops Tye Sheridan

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James Marsden might be the nicest mentor ever.

The former X-Men star told ET that he has officially passed the Cyclops torch to up-and-coming actor Tye Sheridan for X-Men: Apocalypse. The 18-year-old is set to star as a young Cyclops in the upcoming film, so naturally he reached out to Marsden, who played the adult version in four previous X-Men films.

"He is such a class act. This kid is just very gracious and very grateful,” Marsden shared at Unfinished Business co-star Vince Vaughn's hand and footprint ceremony. “We touched base briefly and I just told him how happy I was for him and he wanted any tips and advice and I just said, ‘You don't really need any. You've got it. I've seen you in the movie Mud’ and all the other things he's done. He's just a spectacular actor, just naturally gifted. He knows what he's doing and I'm very happy that he was cast.”

WATCH: 'X-Men: Apocalypse' Casts Three New Stars

And it’s true, Sheridan garnered various acting nominations from critics' circles for his role in the independent film, which also starred Matthew McConaughey and Reese Witherspoon.

Other stars cast in X-Men: Apocalypse include Game of Thrones'Sophie Turner as a young Jean Grey and Alexandra Shippas a young Storm. Star Wars: The Force Awakens’Oscar Isaac will take on the title role of Apocalypse – but rumors yet to be confirmed include Hugh Jackman back as Wolverine, and Channing Tatum as Gambit. We know Tatum is set to take on the role in his own spin-off film later next year, but we're crossing our fingers we can see him sooner!

Returning cast members include Jennifer Lawrence as Raven/Mystique, Nicholas Hoult as Beast, Evan Peters as Quicksilver, James McAvoy as Charles Xavier, and Michael Fassbender as Magneto. Unfortunately, Patrick Stewart and Ian McKellan will not reprise their roles.

X-Men: Apocalypse hits theaters May 27, 2016.

Follow Ashley on Twitter: @AshCrossan