Keir Dullea

Keir Atwood Dullea (; born May 30, 1936) is an American actor. He is best known for his roles of astronaut David Bowman in the 1968 movie "" and its 1984 sequel, "2010: The Year We Make Contact". 
His other movie roles include "Bunny Lake Is Missing" (1965) and "Black Christmas" (1974).