21 actors you probably didn't realize voiced animated '90s movies

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If you're a millennial, odds are you grew up watching a lot of Disney, DreamWorks, Pixar, and Warner Bros.' animated movies. And if you're not a millennial, you probably had eyes on these movies at one point or another.

But what many people may not have realized is the powerhouse Hollywood stars who lent their vocal talents to many of these animated feature films.

So we've rounded up a group of actors who we were surprised to see (in retrospect) on the cast list of many movies we enjoyed an youngins'.

Scroll down for a look at 21 actors you probably didn't notice in these '90s movies.