divination ron harry and hermione Warner BrosWe're so over these three.

When it comes to "Harry Potter," everybody knows the film's leading trifecta: Daniel Radcliffe, Rupert Grint, and Emma Watson. 

But what about the dozens of other witches, wizards, and muggles who graced the screen throughout the series? While you were watching Harry and his friends fight dragons and hunt horcuxes, these performances from both veteran performers and youngters just beginning their careers might have totally passed you by. 

From cameo appearances from the cast of "Dancing with the Stars" to a member of the band Radiohead, here are 16 actors you might have missed in "Harry Potter."

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