Sam Lerner (born September 27, 1992) is an American teen actor, who made his major debut as the role of Chowder in the 2006 Oscar-nominated computer-animated film, Monster House. Lerner also played a lead role in the feature film Envy as the son of Ben Stiller and Rachel Weisz. Lerner was a series regular on the Brett Ratner-directed "Untitled Diamond-Weissman pilot" for CBS-TV, playing the son of John Leguizamo and Claire Forlani. Before that, he was cast as the son of Wendy Malick and Sam Robards in the ABC-TV pilot, "My Life With Men." He has also appeared on the television shows Malcolm in the Middle, The King of Queens, Two and a Half Men, Oliver Beene, and Sonny With a Chance, and had a recurring voice role on the Cartoon Network show Whatever Happened to Robot Jones?. In August 2007 Lerner completed the recording of voice work for Zak Saturday, a character from the Cartoon Network show The Secret Saturdays.