Alexander Black is an United States television and motion picture actor.

Born April 20 1989 in Redwood City, California, Black is a child actor. He has appeared in Desert Saints , Bubble Boy, Spider-Man, and 13 Going on 30, as well as a minor role on Charmed. He currently plays Seth Powers in Nickelodeon's hit series, Ned's Declassified School Survival Guide. His brother, Tony Black , is also an actor.