12. Christina Ricci

Five-foot-one powerhouse Ricci began deftly handling oddball fare at the age of 11, portraying macabre child Wednesday Addams in the hit ‘The Addams Family’ and its sequel. ‘Casper,’ ‘Now and Then,’ ‘The Ice Storm,’ ‘Sleepy Hollow,’ ‘Pecker’ and ‘The Opposite of Sex’ were all added to her resume before she hit adulthood.

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