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Mary Mouser

American actress (born 1996) From Wikipedia, the free encyclopedia

Mary Mouser
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Mary Matilyn Mouser (born May 9, 1996) is an American actress. She is best known for her portrayal of Sam LaRusso, daughter of the original Karate Kid Daniel LaRusso, in the Netflix[3] 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

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Mouser 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. She has 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.[citation needed] Mouser also guest starred on Lie to Me and in Ghost Whisperer as the character Madison.

Mouser starred in the ABC medical drama Body of Proof as Dana Delany's daughter, Lacey Fleming. Mouser also played the roles of both Savannah O’Neal and Emma Reynolds in the Disney Channel Original movie Frenemies, which was released in 2012.[4]

Since 2018, Mouser plays high school and karate student Samantha (Sam) LaRusso, in the Cobra Kai series, initially launched by YouTube Premium and later on Netflix, where she is part of the main cast. Mouser has also appeared on a Mind Field episode (S2 E5) on the channel VSauce on YouTube. In 2024, she voiced the character Cleo in the audiobook Know Your Newlywed.[5]

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Personal life

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Mouser and Tanner Buchanan at a convention in Washington state on June 22, 2025

In 2009, Mouser was diagnosed with type 1 diabetes.[6][7] She discussed her experiences in a 2019 YouTube video.

Relationship with Tanner Buchanan

Mouser and Tanner Buchanan met in October 2017 during the filming of the first season of the series Cobra Kai which they starred together, becoming best friends from the beginning and starting a secret romantic relationship shortly after.[8]

In February 2025, during the red carpet of the world premiere of the series finale, Mouser and Buchanan finally confirmed their relationship after years of rumors and announced their engagement.[9][10]

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Filmography

Films

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Television

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Awards and nominations

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References

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