“Extra’s” Mark Wright sat down Sir Ian McKellan, who gave him the scoop on “Cats.”

McKellan asked that audiences attend with an “open mind and heart, as I did,” revealing, “you will find yourself laughing and smiling and feeling sorry for some of the cats and then unexpectedly gulping with emotion.”

He also gushed over ballet dancer-turned-actress Francesca Hayward. Watch!

“Cats” opens in theaters December 20.


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