Use mdy dates from January 2020

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).

Gregory David Massialas (born May 20, 1956) is an American foil fencer and fencing coach.

Christina Yvonne Cole (born August 4, 1943) is an American actress and singer. She is best known for her role as Katie Miller Douglas on the sitcom My Three Sons (from 1967 to 1972).