When Marc was 5 he was flown to L.A. to be considered forthe Welch's Juice Spokesperson. He was one of only 9 children beingconsidered. It was a great trip and jump started his young career. He hassince been in numerous commercials as well as a TV pilot and short film.Marc's breakthrough came in September of 2002 when New Line Cinema neededtwo little boys to play Robert Duvall and Michael Caine's nephews inSecondhand Lions (2003) (New Line Cinemas hopeful for an Oscar in 2003).Marc was fortunate enough to not only get the part but also to playopposite his own real life brother Mitchel Musso. Just two weeks afterfinishing "Secondhand Lions", Marc was cast in 21 Grams (2003) playingBenicio Del Toro's son "Freddy". This film also stars Sean Penn and NaomiWatts. He has also done several National commercials.