Mary Matilyn Mouser (born May 9, 1996) is an American actress who is best known for her portrayal of Samantha "Sam" LaRusso, the daughter of the original Karate Kid Daniel LaRusso, in the Netflix series Cobra Kai. She was also the voice of Eloise in Eloise: The Animated Series and Lacey Fleming on the ABC series Body of Proof. Mouser took over the role of Karen Grant, Fitz & Mellie's daughter on Scandal in Season 4. She is also known as an influencer on TikTok and YouTube.
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Early life and career
Mouser was born on May 9, 1996. She was raised in Pine Bluff, Arkansas. She was featured on the Starz Kids & Family series Eloise: The Animated Series as the voice of Eloise and appeared as the child-lead in the Hallmark Channel original movie A Stranger's Heart. Mouser has also done voice work for animated features such as Dragon Hunters, Tarzan II, and Pom Poko, and was a voice actress in the audio drama series, Adventures in Odyssey as Samantha McKay, younger sister of Grady McKay.
Mouser has also appeared in guest starring roles on CSI: Crime Scene Investigation, Without a Trace, The King of Queens, Monk, Inconceivable, Scrubs, One Life to Live and had a recurring role on NCIS as Leroy Jethro Gibbs' daughter Kelly. She also had a series regular role in the CW series Life Is Wild as Mia Weller, for 13 episodes. At the 2006 Best of Fest Awards at the KIDS FIRST! Film and Video Festival, Mouser received the Outstanding Performance Award for her voiceover work in Eloise: The Animated Series. Mouser also guest starred on Lie to Me and in Ghost Whisperer as the character Madison.
