Malcolm David Kelley (born May 12, 1992 in Bellflower, California) is an American child actor. He starred in the 2004 film You Got Served as "Li'l Saint". He also appeared in the television series Lost as the character Walt. A regular cast member in the show's first season (2004-2005), Kelley was seen rarely in the show's second season (2005-2006). He made an appearance in Through the Looking Glass on Lost's third season finale.

He has also made appearances on Judging Amy, Law & Order: Special Victims Unit and My Name Is Earl.

The entertainment industry isn't new to young Malcolm David Kelley, he has been working in show business since the age of five.

His motion picture credits include roles in Antwone Fisher and You Got Served. On television he guest-starred in the series Judging Amy, Malcolm in the Middle, For Your Love, Girlfriends and Eve. He was also featured in numerous commercials, including Cap'n Crunch, Kool Aid, Disney and Kohl's department store. Recently he was seen in a Snoop Dog video and completed a voice over for the Nickelodeon cartoon Fatherhood.

Malcolm spent the first eleven months of his life in foster care before being adopted by the Kelleys. His sister, Sydney, was adopted by the family two months later. He enjoys playing soccer and basketball, despite his small stature. He keeps up with his favorite basketball team, the Lakers, and politics, even getting involved as class Treasurer at his middle school. His leadership earned him the role of Student Ambassador with People to People Student Ambassadors, with whom he traveled to the United Kingdom last July to represent the United States.

• Lost (2004-2005) (TV series regular), (2005-2008) (Special guest star) ... as Walt Lloyd
• Law & Order: Special Victims Unit (2006) (TV series guest star) ... as Nathan Phelps
• My Name Is Earl (2006) (TV series guest star) ... as Alby
• Knights of the South Bronx (2005) (Film) ... as Jimmy Washington
• You Got Served (2004) (Film) ... as Lil Saint
• Antwone Fisher (2002) (Film) ... as Antwone Fisher Age 8