Film

No.	Year	Title	Role	Vote Average
1	1988	Earth Star Voyager	Leland Eugene, MD - Psychiatrist	64
2	1989	The Fly II	Technician	57
3	1991	Bingo	Network Executive	50
4	1995	Beauty's Revenge	Cameraman	60
5	1998	Inside The X-Files	Self	68
6	1998	The X-Files	Byers	69
7	2000	The Guilty	Miles	57
8	2005	Defenders of Justice: The Story of The Lone Gunmen	Himself	0
9	2007	The Last Mimzy	Scientist	64
10	2009	Personal Effects	Record Man	60
11	2011	Daydream Nation	Mr. Myers	58
12	2011	Christmas Comes Home to Canaan	Maitre D'	54
13	2016	Every Christmas Has a Story	Mayor Drysdale	52

Television

No.	Year	Title	Role	Vote Average
1	1985	MacGyver	Juice	77
2	1985	MacGyver	Willis	77
3	1987	21 Jump Street	Bruce	72
4	1987	J.J. Starbuck		50
5	1988	Earth Star Voyager	Dr. Leland Eugene	50
6	1993	The X-Files	John Fitzgerald Byers	84
7	1993	The X-Files	John Fitzgerald Byers (voice)	84
8	1995	The Outer Limits	Dr. Norris	77
9	1995	The Outer Limits	Technician	77
10	1995	The Outer Limits	Dr. Avery Strong	77
11	1995	The Outer Limits	Miles Pendergast	77
12	1996	The Sentinel	Barry	71
13	1997	Stargate SG-1	Dr. Osbourne	83
14	2000	Andromeda	Philip Kim	71
15	2001	The Lone Gunmen	John Fitzgerald Byers	68
16	2001	Smallville	Ben Powell	82
17	2002	The Dead Zone	Rogers - Administrator	72
18	2005	Supernatural	William Hill	83
19	2006	Psych	Health Inspector	79
20	2012	Emily Owens, M.D.	Anesthesiologist	64
21	2013	Motive	Mitch Pudbury	64
22	2014	When Calls the Heart	Mayor Silas Ramsey	83
23	2014	The Flash	Dexter Myles	78
24	2019	Batwoman	Professor Darby	69