The Hollywood Reporter delivers some casting news regarding the next project from director Robert Rodriguez ("Spy Kids," "El Mariachi"): David Arquette ("Eight Legged Freaks," "Scream") and Emmy-nominated Kristin Davis ("Sex & the City," the upcoming remake of "The Shaggy Dog") have snagged roles in Robert Rodriguez's "The Adventures of Shark Boy and Lava Girl in 3-D." The story tells the tale about a 10-year-old outcast shunned by classmates and forced to spend summer vacation alone. With his two imaginary friends -- the title characters -- he goes on a mission to prove that dreams can become reality."