And by attack we obviously mean they made an appearance!
The cat stars of the Harry Potter films are the main draw of the upcoming Animal Actors week where fans get to meet their favorite animal stars!
The event is brought to you by Warner Bros. Studios!
Here's what the studio's twitter feed tweeted:
Some of the cats there were Hermoine Granger's cat AND Finch's cat Mrs Norris?!
Count us in!!!
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[Image via Twitter.]
Tags: actor, adorable, animals, awesome, aww, bros, crookshanks, cuteness, mrs norris, sweet, warner, week