Biography
Mary Matilyn Mouser was born on May 9, 1996, in Pine Bluff, Arkansas. She began her acting career at age five as a photo double for Mel Gibson's daughter in Signs. Mary's early roles included voice acting in Eloise: The Animated Series and live-action parts in Life Is Wild and Body of Proof. She gained widespread recognition for portraying Samantha LaRusso in Netflix's Cobra Kai, a role she began in 2018. Mary has also voiced characters in animated films like Pom Poko and Tarzan II.

Career Life
Mary Mouser's acting journey began in childhood, with notable early roles in Eloise: The Animated Series and Life Is Wild. She later starred as Lacey Fleming in Body of Proof and appeared in Frenemies and Alexander and the Terrible, Horrible, No Good, Very Bad Day. Her breakout role came in 2018 when she joined Cobra Kai as Samantha LaRusso, the daughter of Daniel LaRusso from The Karate Kid series. Mary's portrayal has been praised for bringing depth and relatability to her character, contributing to the show's success.

Personal Life
Mary Mouser was diagnosed with type 1 diabetes in 2009 and has since become an advocate for diabetes awareness. She began dating her Cobra Kai co-star Tanner Buchanan in 2017, and the couple announced their engagement in February 2025 during the series finale event . Mary is active on social media platforms like Instagram, where she shares glimpses of her personal life, including her love for Disney and horror movies . She maintains a balance between her professional commitments and personal interests, engaging with fans and supporting causes close to her heart.