As of June 2026, John Dennis Johnston is best known for Supernatural and ER. Find every show and movie John Dennis Johnston has starred in — and where to watch them — below.
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John Dennis Johnston

Actor Born 1950 Elmwood, Nebraska, USA 12 TV Shows 8 Movies

John Dennis Johnston (born May 14, 1950) is an American film and television actor.

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📺 John Dennis Johnston's TV Shows

Supernatural
Pa Bender
2005
ER
Mr. Hearn
1994
Without a Trace
Patrick Orton
2002
Murder, She Wrote
Peter Fargo
1984
Married... with Children
Jimmy
1987
MacGyver
Eddie Porter
1985
Knots Landing
Alien
1979
The A-Team
Snake
1983
The A-Team
Archer
1983
Charlie's Angels
Jerry Adams
1976
Highlander: The Series
Carl the Hermit
1992
The Rockford Files
Grady Northcourt
1974

🎬 John Dennis Johnston's Movies

Close Encounters of the Third Kind
Special Forces
1977
Wyatt Earp
Frank Stillwell
1994
Pale Rider
Deputy Tucker
1985
48 Hrs.
Torchy's Patron
1982
A Walk in the Clouds
Lout #1
1995
Annie Hall
L.A. Policeman
1977
Streets of Fire
Pete the Mechanic
1984
Twilight Zone: The Movie
Co-Pilot
1983

Never Miss a Show Starring John Dennis Johnston

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