
Known for
Acting
Born
March 18, 1949 (age 77)
John Garman Hertzler Jr. (born March 18, 1950, in Savannah, Georgia) is an American actor, author, screenwriter, and activist best known for his role as the Klingon General (later Chancellor) Martok on Star Trek: Deep Space Nine, a role he played from 1995 until the series ended in 1999.
Hertzler began his acting career in the 1970s, primarily in stage acting and some films, eventually guest-starring in TV shows before landing a major role in the 1990s series Zorro as Alcalde Ignacio De Soto. Beyond Deep Space Nine, he appeared in several other Star Trek shows, wrote two Star Trek novels, and frequently appeared at science fiction conventions.
He grew up mostly around Washington, D.C., att...
2026
as Admiral Sam Travis
2021
2020
2019
2018
2014
as Admiral Samuel Travis
2008
as Dr. Lattis
2006
as Self
2001
2001
1999
1999
as Ridley Scott
1998
1998
as Father William
1996
1996
1995
1995
1994
as Black Dog
1993
1993
1993
1993
as Martok (24 episodes), as Vulcan Captain (1 episode), as Martok / Roy Ritterhouse (1 episode), as Laas (1 episode)
1993
1992