John Dennis Johnston (born May 14, 1950) is an American film and television actor.
Supernatural
Series • 2005
Married... with Children
Series • 1987
ER
Series • 1994
MacGyver
Series • 1985
Knots Landing
Series • 1979
Without a Trace
Series • 2002
The A-Team
Series • 1983
Murder, She Wrote
Series • 1984
St. Elsewhere
Series • 1982
Charlie's Angels
Series • 1976
The Rockford Files
Series • 1974
Emergency!
Series • 1972
Highlander: The Series
Series • 1992
The Golden Girls
Matlock
Series • 1986
T. J. Hooker
Dark Angel
Series • 2000
Millennium
Series • 1996
In Plain Sight
Series • 2008
Southland
Series • 2009
The Client List
Series • 2012
Roots
Series • 1977
Jack & Bobby
Series • 2004
Close Encounters of the Third Kind
Movie • 1977
48 Hrs.
Movie • 1982
Annie Hall
Firestarter: Rekindled
A Walk in the Clouds
Movie • 1995
Bret Maverick
Series • 1981
Frank's Place