J.G. Hertzler
John Garman Hertzler Jr. is an American actor, author, screenwriter, and activist best known for his role on Star Trek: Deep Space Nine as the Klingon General Martok, whom he portrayed from 1995 until the series' end in 1999. Hertzler began his acting career in the 1970s, doing mostly stage acting and appearing in some films. He guest starred in a few episodes for different television shows before landing the part of Alcalde Ignacio De Soto in the early 1990s show Zorro.