Don Matheson (August 5, 1929 – June 29, 2014), was an American soldier and policeman who later became a television actor, likely best known for his continuing role in Irwin Allen's series Land of the Giants.
| Series | 7th Heaven | Ron | 1996-08-26 |
| Movie | Younger and Younger | Max | 1993-10-01 |
| Movie | Dragonfight | Dartois | 1990-06-05 |
| Series | The New Lassie | Unknown | 1989-09-08 |
| Movie | Six Against the Rock | Gen. Merrill | 1987-05-18 |
| Series | Alice in Wonderland | The Red Knight | 1985-12-09 |
| Series | Murder, She Wrote | Unknown | 1984-09-30 |
| Series | Dynasty | Unknown | 1981-01-12 |
| Series | Falcon Crest | Unknown | 1981-12-04 |
| Series | Magnum, P.I. | Unknown | 1980-12-11 |
| Series | Eight Is Enough | Unknown | 1977-03-15 |
| Series | The Quest | Unknown | 1976-05-13 |
| Series | Emergency! | Unknown | 1972-01-22 |
| Series | The Waltons | Unknown | 1972-09-14 |
| Series | Land of the Giants | Mark Wilson | 1968-09-22 |
| Series | Lost in Space | IDAK Alpha 12 | 1965-09-15 |
| Series | The Gallant Men | Unknown | 1962-10-05 |