As of August 2026, Marc Musso is best known for The Adventures of Sharkboy and Lavagirl. Find every show and movie Marc Musso has starred in — and where to watch them — below.
Marc Musso

Marc Musso

Actor Born 1995 Rockwall, Texas, USA 4 Movies

​Marc Musso was born in Rockwall, Texas. When Marc was 5 he was flown to L.A. to be considered for the Welch's Juice Spokesperson. He was one of only 9 children being considered. It was a great trip and jump started his young career. He has since 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 needed two little boys to play Robert Duvall and Michael Caine's nephews in Secondhand Lions (2003) (New Line Cinemas hopeful for an Oscar in 2003). Marc was fortunate enough to not only get the part but also to play opposite his own real life brother Mitchel Musso. Just two weeks after finishing "Secondhand Lions", Marc was cast in 21 Grams (2003) playing Benicio Del Toro's son "Freddy". This film also stars Sean Penn and Naomi Watts. He has also done several National commercials. IMDb Mini Biography By: Katherine Musso

Trivia Younger brother of Mitchel Musso

Younger brother of Mason Musso.

Marc Musso is based in Rockwall.

Marc Musso's most notable role to date came in 21 Grams (2003), where he played Freddy. He also appeared in The Adventures of Sharkboy and Lavagirl (2005) as Classroom Kid #1. Most recently appeared in Secondhand Lions (2003) as Boy.

Fans wanting to catch up on Marc Musso's work can find exactly where his movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.

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🎬 Marc Musso's Movies

The Adventures of Sharkboy and Lavagirl
Classroom Kid #1
2005
21 Grams
Freddy
2003
Secondhand Lions
Boy
2003
The Last Mimzy
Harry
2007

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