J. G. Hertzler

John Garman "J. G." Hertzler Jr. (born March 18, 1950)  is an American actor, author, screenwriter, politician and activist. He is best known in the Star Trek community for his role on Star Trek: Deep Space Nine (DS9) as the Klingon General (and later Chancellor) Martok.

Hertzler was born in Savannah, Georgia. He was raised in St. Joe, Missouri and in El Paso, Texas. Hertzler studied at Bucknell University, at the University of Maryland, and at American University. He is a Democrat. He has one child.

In November 2013, Hertzler was elected as a board member of the Ulysses, New York town council. He was elected as an official council member in 2016. He supported Bernie Sanders in the 2016 presidential election.

On June 8, 2017, Hertzler announced his candidacy as a U.S. House Representative for New York's 23rd congressional district in the 2018 elections. As part of his campaign appearances, he plans to act "in the persona of Mark Twain", to present his ideas "through the brilliant humorist for all ages". He stated that this was a tribute both to Twain, who resided once in Elmira, and to actor Hal Holbrook, who had portrayed Twain on stage for more than six decades.