Martin Kove is an American actor best known for his roles as Det. Victor Isbecki in the television series Cagney & Lacey; and as Cobra Kai Sensei, John Kreese in the 1984 film The Karate Kid and its sequels.
He is the only other actor besides Ralph Macchio and Noriyuki "Pat" Morita to appear in all three of The Karate Kid films.
Other television shows he has appeared in include Murder, She Wrote; The Twilight Zone; Hard Time On Planet Earth; Walker, Texas Ranger; and Diagnosis Murder.
Other films he has appeared in include Future Shock (1993); Wyatt Earp (1994); Death Match (1994); Grizzly Mountain (1997); Bad Guys (2000); Shattered Lies (2002); Miracle at Sage Creek (2005); and The Veteran (2006).