J.G. Hertzler
Acted in
Star Trek: Lower Decks
2020
as Martok (voice)
Star Trek: Lower Decks
2020
as Drookmani Captain (voice)
The Circuit
2019
What We Left Behind: Looking Back at Star Trek: Deep Space Nine
2018
as Self
Prelude to Axanar
2014
as Captain Samuel Travis
Star Trek: Of Gods and Men
2007
as Koval
40 Years of Star Trek
2006
as Self
Star Trek: Enterprise
2001
as Advocate Kolos
Star Trek: Enterprise
2001
as Klingon Captain
Six Feet Under
2001
as Gallery Owner
Roswell
1999
as Mr. Lafeber
Pirates of Silicon Valley
1999
as Ridley Scott
Charmed
1998
as Council Member
The Prophecy II
1998
as Father William
Sabrina, the Teenage Witch
1996
as Plato
Everybody Loves Raymond
1996
as Everett Munce
Star Trek: Deep Space Nine - The Way of the Warrior
1995
as Martok
Star Trek: Voyager
1995
as Hirogen Hunter
Treasure Island: The Adventure Begins
1994
as Black Dog
Diagnosis: Murder
1993
as Mr. Smith
Lois & Clark: The New Adventures of Superman
1993
as Trey
The Adventures of Brisco County, Jr.
1993
as Edward Hayes
Star Trek: Deep Space Nine
1993
as Martok
Star Trek: Deep Space Nine
1993
as Vulcan Captain
Star Trek: Deep Space Nine
1993
as Martok / Roy Ritterhouse
Star Trek: Deep Space Nine
1993
as Laas
Dr. Quinn, Medicine Woman
1993
Highlander: The Series
1992
as Marcus Korolus
Zorro
1990
as Alcalde Ignacio de Soto
Seinfeld
1989
as Director
Quantum Leap
1989
as Weathers Farrington
...And Justice for All
1979
as Driver