Credits · 14
FilmDecoding Neanderthals
2013 · Self - Narrator
FilmUltimate Mars Challenge
2012 · Narrator
FilmSecrets of the Sun
2012 · Narrator
FilmIce Age Death Trap
2012 · Narrator
The World's Biggest Cave
FilmThe World's Biggest Cave
2009 · Himself - Narrator
FilmHit and Run
2009 · Mechanic
FilmSuperpride
2008 · Narrator
FilmShot in the Heart
2001 · Moody
The Ultimate Guide
1996 · Narrator
Homicide: Life on the Street
1993 · Castleman
FilmCitizen Cohn
1992 · Young Doctor
FilmRiot on 42nd St.
1987 · Tom Barnes
FilmBreeders
1986 · Det. Dale Andriotti
NOVA
1974 · Narrator (voice)