Film

No.	Year	Title	Role	Vote Average
1	1978	Ruby and Oswald	Detective	60
2	1978	Corvette Summer	Van Nuys Policeman	54
3	1981	...All the Marbles	Akron Doctor	63
4	1981	Cutter's Way	Police Captain (as Jon Terry)	64
5	1982	Halloween III: Season of the Witch	Starker	52
6	1983	Deal of the Century	Gaylord	48
7	1984	Against All Odds	Ryskind	57
8	1985	The Return of the Living Dead	Colonel Glover	72
9	1988	Return of the Living Dead Part II	Col. Glover	63
10	2008	Vacancy 2: The First Cut	Old Man	53
11	2009	Still Waiting...	Elderly Man	48
12	2009	Bound By a Secret	Dr. McManus	62
13	2015	Little Paradise	Fred	47

Television

No.	Year	Title	Role	Vote Average
1	1977	Soap	Foreman (as Jon Terry)	73
2	1979	Knots Landing	Eddie R.	68
3	1982	Cheers	Accountant #1	76
4	1995	Women of the House	Representative Hoffmeyer	60
5	2002	Monk	Jonah Brown	79