15Joseph Mazzello - Timmy

One of the two lead child actors in the film, Joseph Mazzello was able to give a pretty convincing performance while acting against some impressively large practical dinosaurs. Timmy and his sister in the film were the characters that a young audience were able to see the world of Jurassic Park through,

and their sense of wonder really resonated with the wonder that children experienced when they saw the film in theaters.

Mazzello later went on to star in The Social Network, GI Joe: Retaliation, and the HBO limited series, The Pacific. He also wrote and directed an indie film, Undrafted. Mais currently filming the Queen biopic Bohemian Rhapsody, in which he will play bassist John Deacon opposite his The Pacific co-star Rami Malek (as Freddie Mercury).

Next 14 Ariana Richards - Lex

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