Robert Carradine

Robert Reed Carradine (born March 24, 1954) is an American actor. He is probably best known for portraying Lewis Skolnick in the successful Revenge of the Nerds series of comedy films and Sam McGuire on the Disney Channel sitcom Lizzie McGuire. Description above from the Wikipedia article Robert Carradine, licensed under CC-BY-SA, full list of contributors on Wikipedia​