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'.
Fri, Oct 12 2018
Prelude to Axanar
J.G. Hertzler was
65 in Prelude to Axanar
as 'Captain Samuel Travis'.
Sat, Jul 26 2014
Star Trek: Of Gods and Men
J.G. Hertzler was
58 in Star Trek: Of Gods and Men
as 'Koval'.
Sat, Dec 22 2007
Pirates of Silicon Valley
J.G. Hertzler was
50 in Pirates of Silicon Valley
as 'Ridley Scott'.
Mon, May 10 1999
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'.
Mon, Oct 02 1995
Treasure Island: The Adventure Begins
J.G. Hertzler was
44 in Treasure Island: The Adventure Begins
as 'Black Dog'.
Sun, Jan 23 1994
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
Star Trek: Lower Decks
J.G. Hertzler was
71+ in Star Trek: Lower Decks
as 'Martok (voice), Drookmani Captain (voice)'.
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'.
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'.
First Air Date
Sun, Jun 03 2001
Sun, Jun 03 2001
Sabrina, the Teenage Witch
J.G. Hertzler was
47+ in Sabrina, the Teenage Witch
as 'Plato'.
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'.
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'.
First Air Date
Mon, Jan 16 1995
Mon, Jan 16 1995
Diagnosis: Murder
J.G. Hertzler was
44+ in Diagnosis: Murder
as 'Mr. Smith'.
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'.
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'.
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'.
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
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'.
First Air Date
Sat, Oct 03 1992
Sat, Oct 03 1992
Quantum Leap
J.G. Hertzler was
40+ in Quantum Leap
as 'Weathers Farrington'.
First Air Date
Sun, Mar 26 1989
Sun, Mar 26 1989