Courtney Henggeler

Courtney Healy Henggeler (/ˈhɛŋɡlər/ born December 11, 1978)^[1] is an American former 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.^[2][3]

Courtney Henggeler
Born	Courtney Healy Henggeler (1978-12-11) December 11, 1978 (age 46) Phillipsburg, New Jersey, U.S.
Occupation	Actress
Years active	2003–2025
Known for	Amanda LaRusso in Cobra Kai
Spouse	Ross Kohn ​ (m. 2015)​
Children	2

Early life and education

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.^[4] She credits her childhood best friend Patti for making her audition for a high school production of Carousel when she was in 9th grade.^[5]

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.^[6] 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.^[6] 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.^[7][8]

Personal life

Henggeler married Ross Kohn in October 2015. They have two children.^[9][10][11] She is of Italian, Swiss-German and Irish descent.^[12]

Filmography

Film

Year	Title	Role	Notes
2003	The Bog Creatures	Susan Beth
2005	The Legacy of Walter Frumm	Maid
2009	Two Dollar Beer	Molly
2010	True Love	Alexa
	Peas in a Pod	Julie
	Wing Bitches	Courtney
2011	Friends with Benefits	Flight Attendant
2012	Hitting the Cycle	Samantha
2013	Kristin's Christmas Past	Sophia
2014	Beach Pillows	Courtney
2017	Fixed	Maria
	Feed	Kate
2018	Nobody's Fool	Hillary
2019	Pilgrim	Anna
	Do Not Reply	Laura
2023	The Boys in the Boat	Hazel Ulbrickson

Television

Year	Title	Role	Notes
2005	House	Server	Episode: "DNR"
2008, 2013, 2018	The Big Bang Theory	Missy Cooper	3 episodes
2008	Criminal Minds	Jenna	Episode: "The Crossing"
2009	Roommates	Anna	Episode: "The Trash 'N Treasures"
	NCIS	Scorpio Sinn	Episode: "Reunion"
	Accidentally on Purpose	Dani	Episode: "Class"
2011	Working Class	Rachel	3 episodes
	Happy Endings	Andrea	Episode: "The Quicksand Girlfriend"
	Melissa & Joey	Bianca	Episode: "The Mel World"
	Family Practice	Chelsea sloop	Television movie
2013	Back in the Game	Keeley	1 episode
2013–2015	Mom	Claudia	5 episodes
2014	Royal Pains	Nancy Conrad	1 episode
	Franklin & Bash	Molly Taylor	1 episode
	Faking It	Robin Booker	2 episodes
	The Mysteries of Laura	Nora	1 episode
2015	Stitchers	Suzanne Parks	1 episode
2016	Mary + Jane	Mandy	1 episode
	Henry Danger	Gwen	Episode: "Love Muffin"
	Bones	Dr. Jane Levy	Episode: "The Death in the Defense"
2017	Escaping Dad	Stacy Hanson	Television film
2018	Jane the Virgin	Satchet	Episode: "Chapter Seventy-Eight"
2018–2025	Cobra Kai	Amanda LaRusso	Main role
2018	Fuller House	Renee	Episode: "Driving Mr. Jackson"
2019	Into the Dark	Anna	Episode: "Pilgrim"