What show does the actor that played Detective William Murdoch host?
Star Racer: Star Racer is a reality-genre TV show which originally aired on Discovery Channel Canada in 2006. Star Racer:  Host Yannick Bisson sets the stakes, and is the liaison between the drivers, the judges, and the audience. Yannick Bisson: Yannick D. Bisson (born May 16, 1969) is a Canadian film and television actor and director best known to international audiences for playing Detective William Murdoch on the series "Murdoch Mysteries".
Star Racer