Scott C. Kolden (born February 11, 1962) is an American sound engineer and former child actor. Beginning his professional show business career at the age of eight, Kolden is perhaps best known for his Disney film roles; as Leonard in The Mystery in Dracula's Castle and as Rupert in Charley and the Angel, as well as for his role as Scotty on the NBC Saturday morning children's series Sigmund and the Sea Monsters.