Courtney Henggeler
Courtney Healy Henggeler is an American actress known for her starring role as Amanda LaRusso in the Netflix comedy-drama television series Cobra Kai. She is also known for playing Sheldon Cooper's twin sister, Missy, in The Big Bang Theory.
Born in Phillipsburg, New Jersey, Henggeler grew up in Pennsylvania in the Poconos until she was 14 when she moved to her parents' hometown of Seaford, New York, on the South Shore of Long Island. After graduating from Seaford High School, Henggeler enrolled at SUNY Fredonia but dropped out and moved to Los Angeles two years later, where she received her first acting lessons. She credits her childhood best friend Patti for making her audition for a high school production of Carousel when she was in 9th grade.
Career
Henggeler started her acting career with a main role in the horror B-movie The Bog Creatures in 2003. Two years later, she made a guest appearance in the medical drama House. In 2008, and again in 2018, Henggeler took on the guest role of Missy Cooper, the twin sister of Sheldon Cooper, in the sitcom The Big Bang Theory. After other guest roles in various movies and TV shows over the years and a recurring role on the CBS sitcom Mom, Henggeler made her breakthrough in 2018 when she landed a starring role on Cobra Kai as Amanda LaRusso, the wife of the original Karate Kid Daniel LaRusso. In 2019 she was featured in Hulu's episodic holiday horror series In the Dark. In April 2025, Henggeler announced her retirement from acting.
Personal life
Henggeler married Ross Kohn in October 2015. They have two children. She is of Italian, Swiss-German and Irish descent.