Sean Marquette

Sean Marquette (born June 30, 1988) is an American actor who is best known for his portrayal as Young Matt Flamhaff in ''13 Going On 30'', Johnny Atkins in ''The Goldbergs'' and ''Schooled'', and for voicing Mac in the Cartoon Network series ''Foster's Home for Imaginary Friends'' (2004–2009). Provided by Wikipedia