Stephen Mendel: Stephen Mendel. Actor: Mad Men. Stephen Mendel began singing at age 8. Educated in Montreal, Canada, he graduated Bishop's University with a BA in drama and began working almost immediately in theater. Film and TV roles followed soon after. He moved to Los Angeles, and was quickly cast in the CBS TV series "Night Heat" (1985 - 1990) filmed in Toronto, Canada, which ran for 96 episodes over five seasons,...