Malcolm David Kelley (born May 12, 1992) is an American teen actor. He starred in the 2004 film You Got Served as “Li’l Saint”. He also appears in the television series Lost as the character Walt. A regular cast member in the show’s first season (2004-2005), Kelley was seen mainly in the show’s second season (2005-2006). He returned for an appearance in “Through the Looking Glass”, Lost’s third season finale, and twice more in the fourth season, with the episodes “Meet Kevin Johnson” and “There’s No Place Like Home, and reprised his role in the fifth season with the episode “The Life and Death of Jeremy Bentham”.