Actress Courtney Henggeler, who starred as Amanda LaRusso in the hugely popular “The Karate Kid” spinoff “Cobra Kai” on Netflix, is quitting acting after more than two decades in the industry.

After 20 years in the business, Cobra Kai actress Courtney Henggeler said she is quitting acting. In a Substack post made late last month, Henggeler said she “hung up my gloves,” informing her ...