Martin Kove is a renowned American actor and martial artist, famously recognized for his role as John Kreese, the formidable antagonist in The Karate Kid franchise and the popular Cobra Kai TV series. His acting career, spanning over 50 years, includes memorable performances in films like Death Race 2000 and Rambo: First Blood Part II, as well as television roles such as Detective Victor Isbecki in Cagney & Lacey.
Profile Summary
Full Name | Martin Kove |
Date of Birth | March 6, 1947 |
Place of Birth | Brooklyn, New York, USA |
Nationality | American |
Partner | Vivienne Kove (married 1981–divorced 2005) |
Children | 2 (including son Jesse Kove) |
Occupations | Actor, Martial Artist, Producer, Director |
Net Worth | Approximately $2 million |

Early Life and Education
Born on March 6, 1947, in Brooklyn, New York, Martin Kove grew up in a Jewish family.
He attended Valley Stream Central High School and later pursued studies at ITT Technical Institute – Maumee Campus. His interest in acting was sparked early, beginning with a school play in the fourth grade, while he also cultivated a passion for martial arts.
Career
Kove launched his acting career in the early 1970s, initially taking on minor roles. He gained early attention with his portrayals of Nero in Death Race 2000 (1975) and Clem in White Line Fever (1975).
From 1982 to 1988, he was a series regular on Cagney & Lacey as Detective Victor Isbecki. His defining role came in 1984 as John Kreese in The Karate Kid, a character he reprised in subsequent sequels and the Cobra Kai series starting in 2018.
Over his career, Kove has appeared in over 80 films and numerous television guest spots, mainly within the action and thriller genres.
He has also directed an episode of Silk Stalkings and appeared in music videos and commercials connected to his Karate Kid persona.
Personal Life

Martin Kove was married to Vivienne Kove from 1981 until their divorce in 2005. Together, they have twins: a son, Jesse Kove, and a daughter, Rachel Kove.
He holds black belts in Kendo, Okinawa-te, and Tiger Kenpo. In recent years, Kove has chosen to abstain from alcohol and enjoys spending quality time with his family.
Net Worth
Martin Kove’s estimated net worth is around $2 million, earned primarily through his extensive work in film and television.
Selected Filmography
- The Karate Kid (1984), The Karate Kid Part II (1986), The Karate Kid Part III (1989)
- Cobra Kai (2018–2025)
- Death Race 2000 (1975)
- White Line Fever (1975)
- Rambo: First Blood Part II (1985)
- Cagney & Lacey (1982–1988)
- Once Upon a Time in Hollywood (2019)
Awards and Nominations
Throughout his career, Martin Kove has earned 10 wins and 4 nominations, highlighting his contributions to both television and film.