Film

No.	Year	Title	Role	Vote Average
1	1986	Breeders	Det. Dale Andriotti	47
2	1987	Riot on 42nd St.	Tom Barnes	48
3	1992	Citizen Cohn	Young Doctor	63
4	1997	Cuttlefish: Kings of Camouflage	Narrator	0
5	2001	Mastodon in your Backyard		0
6	2001	Shot in the Heart	Moody	56
7	2002	Cheetahs: The Deadly Race		0
8	2005	Winged Wizards of the Night	Narrator	0
9	2007	Farewell Israel: Bush, Iran and the Revolt of Islam	Narrator	0
10	2008	The Four-Winged Dinosaur	Narrator	0
11	2008	Superpride	Narrator	100
12	2009	Hit and Run	Mechanic	43
13	2009	The World's Biggest Cave	Himself - Narrator	70
14	2009	Ce que Darwin ne savait pas encore	Narrator	0
15	2011	Engineering Ground Zero	Narrator	0
16	2012	Ice Age Death Trap	Narrator	90
17	2012	Secrets of the Sun	Narrator	90
18	2012	Ultimate Mars Challenge	Narrator	82
19	2013	Decoding Neanderthals	Narrator	80
20	2014	Inside Animal Minds	Narrator	0
21	2015	Sally Pacholok	Peter's Father	0

Television

No.	Year	Title	Role	Vote Average
1	1974	NOVA	Narrator (voice)	70
2	1996	The Ultimate Guide	Narrator	0