William Sylvester

William R. Sylvester (January 31, 1922 – January 25, 1995) was an American actor, chiefly known for his film and television work in the United Kingdom. A graduate of the Royal Academy of Dramatic Art, he was a star of British B-movies in the 1950s and 1960s, but gained widespread recognition for his role as Dr. Heywood Floyd in the landmark science-fiction film ''2001: A Space Odyssey'' (1968). Provided by Wikipedia