Personal Info

Known For

Acting

Known Credits

Gender

Male

Birthday

1949-03-18 (76 years old)

Place of Birth

Also Known As

John Hertzle
Garman Hertzler

J.G. Hertzler

Biography

We don't have a biography for J.G. Hertzler.

Known For

8.2%

Charmed

Oct 7, 1998

8.3%

Seinfeld

Jul 5, 1989

7.8%

Sabrina, the Teenage Witch

Sep 27, 1996

8.1%

Six Feet Under

Jun 3, 2001

7.8%

Star Trek: Voyager

Jan 16, 1995

7.9%

Star Trek: Deep Space Nine

Jan 3, 1993

7.9%

Star Trek: Deep Space Nine

Jan 3, 1993

7.9%

Star Trek: Deep Space Nine

Jan 3, 1993

7.9%

Star Trek: Deep Space Nine

Jan 3, 1993

7.6%

Star Trek: Enterprise

Sep 26, 2001

7.6%

Star Trek: Enterprise

Sep 26, 2001

8.0%

Quantum Leap

Mar 26, 1989

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Acting

2021

A Captain's Log as Self

2020		Star Trek: Lower Decks as Martok (voice)
2020		Star Trek: Lower Decks as Drookmani Captain (voice)

2019

The Circuit

2018

What We Left Behind: Looking Back at Star Trek: Deep Space Nine as Self

2014

Prelude to Axanar as Captain Samuel Travis

2007

Star Trek: Of Gods and Men as Koval

2006

40 Years of Star Trek as Self

2001		Star Trek: Enterprise as Advocate Kolos
2001		Star Trek: Enterprise as Klingon Captain
2001		Six Feet Under as Gallery Owner

1999		Roswell as Mr. Lafeber
1999		Pirates of Silicon Valley as Ridley Scott

1998		Charmed as Council Member
1998		The Prophecy II as Father William

1996		Sabrina, the Teenage Witch as Plato
1996		Everybody Loves Raymond as Everett Munce

1995		Star Trek: Deep Space Nine - The Way of the Warrior as Martok
1995		Star Trek: Voyager as Hirogen Hunter

1994

Treasure Island: The Adventure Begins as Black Dog

1993		Diagnosis: Murder as Mr. Smith
1993		Lois & Clark: The New Adventures of Superman as Trey
1993		The Adventures of Brisco County, Jr. as Edward Hayes
1993		Star Trek: Deep Space Nine as Martok
1993		Star Trek: Deep Space Nine as Vulcan Captain
1993		Star Trek: Deep Space Nine as Martok / Roy Ritterhouse
1993		Star Trek: Deep Space Nine as Laas
1993		Dr. Quinn, Medicine Woman as Capt. Burgoyne

1992

Highlander: The Series as Marcus Korolus

1990

Zorro as Alcalde Ignacio de Soto

1989		Seinfeld as Director
1989		Quantum Leap as Weathers Farrington

1979

...And Justice for All as Driver