Denis Simpson is a Canadian actor and singer. The original bass vocalist for The Nylons, he left the band to appear in the Broadway musical "Indigo" before they became commercially successful. Simpson was also a longtime host of the children's television series "Polka Dot Door", and has appeared in television series including "Seeing Things", "Night Visions", "These Arms of Mine" and "MacGyver". Wikipedia
The definitive Wikipedia entry for Denis Simpson. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Denis_Simpson
