Michael Sinelnikoff

Michael G. Sinelnikoff (1 August 1928 – 1 July 2024) was a British-born Canadian actor, director, producer, and writer. He is known for his role as Professor Arthur Summerlee on the television series Sir Arthur Conan Doyle's The Lost World, and has been seen in a variety of film roles such as 300 and The Greatest Game Ever Played.