The "Happiest Place on Earth" has gone a little mad.

Mad as a Hatter, that is, thanks to Johnny Depp.

The actor who has brought characters like Jack Sparrow, Willy Wonka and Rango to life greeted guests at Disneyland in Anaheim, California.

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Mind you, he wasn't there in person, but via what turned into an interactive ad display for his new film "Alice Through the Looking Glass."

The digital display was showing different characters from the movie sequel, which is due out May 27.

But one was a little more animated than others.

Watch the video below, or click here, to see park guests' reactions to almost meeting Depp face to face.

The Mad Hatter Surprise

From somewhere in Wonderland, watch Johnny Depp bring a little surprise madness to some unsuspecting fans at Disneyland!

Posted by Walt Disney Studios on Wednesday, May 11, 2016

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