Joey Dedio: Joey Dedio. Actor: Captain Planet and the Planeteers. Dedio is a veteran of more than fifty national commercials, films, stage and television work. As a youngster, Dedio cut his teeth in acting by appearing in After School Specials and on the NBC Soap Opera "Another World". In 1989, Dedio headed to California to portray the title role in the NBC Series "The Karate Kid". That same year he landed the...