GabboT · CC BY-SA 2.0

Martin Kove has spent four decades playing the same kind of hard-edged authority figure across genres, most durably as John Kreese, the ruthless dojo sensei of The Karate Kid films and its sequel series Cobra Kai, a role he returned to across nearly 40 years, alongside a long-running part as Detective Victor Isbecki on Cagney & Lacey.