John Dennis Johnston
John Dennis Johnston (born May 14, 1950) is an American film and television actor.
Known for
- Supernatural (2005)
- Married... with Children (1987)
- ER (1994)
- Without a Trace (2002)
- MacGyver (1985)
- Murder, She Wrote (1984)
- Knots Landing (1979)
- The A-Team (1983)
- The A-Team (1983)
- St. Elsewhere (1982)
- The Rockford Files (1974)
- The Rockford Files (1974)
- Highlander: The Series (1992)
- Matlock (1986)
- Matlock (1986)
- Charlie's Angels (1976)
- Emergency! (1972)
- T. J. Hooker (1982)
- The Golden Girls (1985)
- Dark Angel (2000)