Stuart Stone

Stuart Stone (born Stuart Eisenstein; November 17, 1980) is a Canadian actor as well as a producer of television, film and music. He is best known for his roles as Ronald Fisher in the 2001 cult film, ''Donnie Darko'' and Ralphie Tennelli on ''The Magic School Bus'' animated television series from 1994 to 1997. Stone has also toured as a comedian and rapper. Provided by Wikipedia