Movies (Acting Roles)
Sorted by Release DateWhat We Left Behind: Looking Back at Star Trek: Deep Space Nine
J.G. Hertzler was 69 in What We Left Behind: Looking Back at Star Trek: Deep Space Nine as 'Self'.Movie Released: Fri, Oct 12 2018
Prelude to Axanar
J.G. Hertzler was 65 in Prelude to Axanar as 'Captain Samuel Travis'.Movie Released: Sat, Jul 26 2014
Star Trek: Of Gods and Men
J.G. Hertzler was 58 in Star Trek: Of Gods and Men as 'Koval'.Movie Released: Sat, Dec 22 2007
40 Years of Star Trek
J.G. Hertzler was 56 in 40 Years of Star Trek as 'Self'.Movie Released: Sun, Jan 01 2006
Pirates of Silicon Valley
J.G. Hertzler was 50 in Pirates of Silicon Valley as 'Ridley Scott'.Movie Released: Mon, May 10 1999
The Prophecy II
J.G. Hertzler was 48 in The Prophecy II as 'Father William'.Movie Released: Tue, Jan 20 1998
Star Trek: Deep Space Nine - The Way of the Warrior
J.G. Hertzler was 46 in Star Trek: Deep Space Nine - The Way of the Warrior as 'Martok'.Movie Released: Mon, Oct 02 1995
Treasure Island: The Adventure Begins
J.G. Hertzler was 44 in Treasure Island: The Adventure Begins as 'Black Dog'.Movie Released: Sun, Jan 23 1994
...And Justice for All
J.G. Hertzler was 30 in ...And Justice for All as 'Driver'.Movie Released: Fri, Oct 19 1979
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages
A Captain's Log
J.G. Hertzler was 72+ in A Captain's Log as 'Self'.TV Show Released: First Air Date
Wed, Jun 30 2021
Wed, Jun 30 2021
Star Trek: Lower Decks
J.G. Hertzler was 71+ in Star Trek: Lower Decks as 'Martok (voice), Drookmani Captain (voice)'.TV Show Released: First Air Date
Thu, Aug 06 2020
Thu, Aug 06 2020
Star Trek: Enterprise
J.G. Hertzler was 52+ in Star Trek: Enterprise as 'Advocate Kolos, Klingon Captain'.TV Show Released: First Air Date
Wed, Sep 26 2001
Wed, Sep 26 2001
Six Feet Under
J.G. Hertzler was 52+ in Six Feet Under as 'Gallery Owner'.TV Show Released: First Air Date
Sun, Jun 03 2001
Sun, Jun 03 2001
Roswell
J.G. Hertzler was 50+ in Roswell as 'Mr. Lafeber'.TV Show Released: First Air Date
Wed, Oct 06 1999
Wed, Oct 06 1999
Charmed
J.G. Hertzler was 49+ in Charmed as 'Council Member'.TV Show Released: First Air Date
Wed, Oct 07 1998
Wed, Oct 07 1998
Sabrina, the Teenage Witch
J.G. Hertzler was 47+ in Sabrina, the Teenage Witch as 'Plato'.TV Show Released: First Air Date
Fri, Sep 27 1996
Fri, Sep 27 1996
Everybody Loves Raymond
J.G. Hertzler was 47+ in Everybody Loves Raymond as 'Everett Munce'.TV Show Released: First Air Date
Fri, Sep 13 1996
Fri, Sep 13 1996
Star Trek: Voyager
J.G. Hertzler was 45+ in Star Trek: Voyager as 'Hirogen Hunter'.TV Show Released: First Air Date
Mon, Jan 16 1995
Mon, Jan 16 1995
Diagnosis: Murder
J.G. Hertzler was 44+ in Diagnosis: Murder as 'Mr. Smith'.TV Show Released: First Air Date
Fri, Oct 29 1993
Fri, Oct 29 1993
Lois & Clark: The New Adventures of Superman
J.G. Hertzler was 44+ in Lois & Clark: The New Adventures of Superman as 'Trey'.TV Show Released: First Air Date
Sun, Sep 12 1993
Sun, Sep 12 1993
The Adventures of Brisco County, Jr.
J.G. Hertzler was 44+ in The Adventures of Brisco County, Jr. as 'Edward Hayes'.TV Show Released: First Air Date
Fri, Aug 27 1993
Fri, Aug 27 1993
Star Trek: Deep Space Nine
J.G. Hertzler was 43+ in Star Trek: Deep Space Nine as 'Martok, Vulcan Captain, Martok / Roy Ritterhouse, Laas'.TV Show Released: First Air Date
Sun, Jan 03 1993
Sun, Jan 03 1993
Dr. Quinn, Medicine Woman
J.G. Hertzler was 43+ in Dr. Quinn, Medicine Woman TV Show Released: First Air Date
Fri, Jan 01 1993
Fri, Jan 01 1993
Highlander: The Series
J.G. Hertzler was 43+ in Highlander: The Series as 'Marcus Korolus'.TV Show Released: First Air Date
Sat, Oct 03 1992
Sat, Oct 03 1992
Zorro
J.G. Hertzler was 40+ in Zorro as 'Alcalde Ignacio de Soto'.TV Show Released: First Air Date
Fri, Jan 05 1990
Fri, Jan 05 1990
Seinfeld
J.G. Hertzler was 40+ in Seinfeld as 'Director'.TV Show Released: First Air Date
Wed, Jul 05 1989
Wed, Jul 05 1989
Quantum Leap
J.G. Hertzler was 40+ in Quantum Leap as 'Weathers Farrington'.TV Show Released: First Air Date
Sun, Mar 26 1989
Sun, Mar 26 1989