John Noble is an Australian actor and director, best known for his roles in television and film. He gained widespread recognition for portraying Walter Bishop in the science fiction series Fringe, which aired from 2008 to 2013. Noble's performance earned him critical acclaim and several award nominations. In addition to his work on Fringe, John Noble has appeared in various films, including The Lord of the Rings trilogy, where he played Denethor. He has also lent his voice to video games and animated series, showcasing his versatility as an actor. Noble's career spans several decades, making him a respected figure in the entertainment industry.