Keir Dullea (born 30 May, 1936 in Cincinnati, Ohio) is best known for his role of Commander Dave Bowman in the Stanley Kubrick classic "2001: A Space Odyssey." Keir has starred in many films and television productions, preferring though his first love stage. Keir played three different characters in the "Law & Order" franchise. Walter Thornburg in Law & Order: Special Victims Unit, Paul Lyman in the Law & Order eleventh season episode Hubris and as Andrew Keener in the sixteenth season episode Cost of Capital. Keir is married to Mia Dillon who guest starred three versions of the Law & Order franchise.