Ron Hartmann
- Compleanno:
- 10/04/1928
- Luogo di nascita:
- Calgary, Alberta, Canada:
 | Johnson County War (2002) Sen. Thorpe |
 | Escape Clause (1996) Oldest Member |
 | Kissinger and Nixon (1995) Ambassador Ellsworth Bunker |
 | The Android Affair (1995) Palmer (as Ron Hartman) |
 | Choices of the Heart: The Margaret Sanger Story (1995) Dr. Benjamin |
 | The Santa Clause (1994) Judge |
 | Getting Gotti (1994) Judge Fisk |
 | A Little Piece of Heaven (1991) |
 | Murder Sees the Light (1986) Westmorland |
 | Doctor Yes: The Hyannis Affair (1983) Roger Heath |
 | Double Negative (1980) Howell |
 | The Heatwave Lasted Four Days (1975) Inspector |
 | The Sloane Affair (1972) |
 | The Man Who Wanted to Live Forever (1970) Dr. John Emmett |
 | The Bloody Brood (1959) Francis |