Stephen Harper: Stephen Harper. Actor: Murdoch Mysteries. Stephen Harper is a retired Canadian conservative politician, entrepreneur, former statesman and attorney who became the 22nd Prime Minister of Canada in February 2006 after defeating his predecessor Paul Martin's minority government. He won his third consecutive election in 2011 after his Cabinet was defeated in a no-confidence vote that year after being found in contempt of Parliament. Harper served as Canada's 22nd prime minister...
