Ryan Thomas Gosling is a Canadian actor, musician, and producer. He began his career as a child star on the Disney Channel 's Mickey Mouse Club and went on to appear in other family entertainment programs including Are You Afraid of the Dark? and Goosebumps . He starred in the television series Breaker High as Sean Hanlon and Young Hercules as the title role. His first starring role was as a Jewish neo-Nazi in The Believer , and he then built a reputation for starring in independent films such as Murder by Numbers , The Slaughter Rule , and The United States of Leland .