On screen
Cast
20 credited performers
Taylor Lautner
Sharkboy
Taylor Dooley
Lavagirl
Cayden Boyd
Max
David Arquette
Max's Dad
Kristin Davis
Max's Mom
Jacob Davich
Linus / Minus
Sasha Pieterse
Marissa / Ice Princess
George López
Mr. Electricidad / Tobor / Ice Guardian
Rico Torres
Sharkboy's Dad
Marc Musso
Classroom Kid #1
Shane Graham
Classroom Kid #2
Artwork unavailable
Tiger Darrow
Classroom Kid #3
Racer Rodriguez
Sharkboy, Age 7
Rebel Rodriguez
Sharkboy, Age 5
Artwork unavailable
Rocket Rodriguez
Lug
Robert Rodriguez
Shark (voice) (uncredited)
Araceli González
Principal (uncredited)
Artwork unavailable
Peyton Hayslip
Teacher (uncredited)
Artwork unavailable
Tania Haddad
Classroom Kid (uncredited)
Miraida Rios
(voice cast)