Law & Order: Special Victims Unit
1999 · Kenneth Heints
Law & Order
1990 · Dr. Dennis Colthorp
Buffy the Vampire Slayer
1997 · Mr. Miller
Nature
1982 · Narrator (voice)
Bull
2016 · Keith O'Leary
Ugly Betty
2006 · Narrator (voice)
Picket Fences
1992 · Timothy Malone
Relativity
1996 · Guidance Counselor
Morality
2014 · Dr. Albert Burnes
Forgotten Planet
2011 · Himself - Narrator
The Third Reich: The Rise & Fall
2010 · Narrator (voice)
Aquarium
2007 · Mr. Portnoy
Nostradamus: 2012
2009 · Narrator (voice)
When Aliens Attack
2011 · Narrator (voice)
Who Really Discovered America?
2010 · Narrator
One Day: A Musical
2014 · YouTuber #3
Holy Grail in America
Art of War
