Nicholas Courtney was an English actor best known for his role as Brigadier Lethbridge-Stewart in the long-running British science fiction television series Doctor Who. He first appeared in the show in 1968 and became a beloved character, appearing in multiple episodes and spin-offs over the years. Courtney was born on December 16, 1929, in London, England, and had a diverse acting career that included stage performances and television roles. He passed away on February 22, 2011, leaving behind a legacy cherished by Doctor Who fans around the world.