John Ralston is a Canadian actor. Although John was born in Miramichi, New Brunswick, he grew up in Fredericton and St. Andrews-By-The-Sea, New Brunswick. He became interested in acting while going after a diploma in jazz studies at St. Francis Xavier University in Nova Scotia. His most notable are Ralston's roles as Derek, Edwin, and Marti's father on Life with Derek and as Mr. Avenir on Strange Days at Blake Holsey High. He has appeared in a number of television productions, among them PSI Factor, La Femme Nikita, Highlander: The Raven, Earth: Final Conflict, Queer as Folk, and Mutant X. He has also acted in the movies Turn It Up, Exit Wounds, and Bar Life. More recently, he has been cast as Ming in the Sci-Fi Channel's original series Flash Gordon. In 2006 and 2007, he was featured in Toyota Tundra truck commercials airing in Canada. As of May 7, 2010, John Ralston has played the role of fallen corporate executive Steve Unger in the Canadian HBO series, "Living in your Car" (George F. Walker, Dani Romain and Joseph Kay).