Mary Mouser

She is also known as an influencer on TikTok and YouTube.

• Name — Mary Mouser • Birth Name — Mary Matilyn Mouser • Born — 9 May 1996 • Occupation — Actress, influencer • Years Active — 2002–present • Partner — Tanner Buchanan (engaged)

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. 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. Since 2018, Mouser played 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.

• Illustration — Mouser and Tanner Buchanan at a convention in 2025 In 2009, Mouser was diagnosed with type 1 diabetes. Mouser and actor Tanner Buchanan announced their engagement in February 2025. They met in October 2017 during the filming of the first season of the series Cobra Kai.

• Year — Title — Role — Notes • 2004 — Without a Trace — Amy Rose — Episode: "Nickel and Dimed: Part 2" • 2005 — Scrubs — Little Girl — Episode: "My Lips Are Sealed" • Monk — Princess Girl — Episode: "Mr. Monk Goes Home Again" • Inconceivable — Kylie — Episode: "Between an Egg and a Hard Place" • CSI: Crime Scene Investigation — Cassie McBride — Episode: "Gum Drops" • The — Marissa — Episode: "Move Doubt" • 2005–2012 — NCIS — Kelly Gibbs — Recurring role, 9 episodes • 2006 — Mindy and Brenda — Young Girl — Television film • 2006–2007 — Eloise: The Animated Series — Eloise — Voice role; main role; 13 episodes • 2007 — A — Cricket — Television film • State of Mind — Ashley Petrovsky • 2007–2008 — Life Is Wild — Mia Weller — Main role, 13 episodes • 2008 — Life — Carin Sutter — Episode: "Black Friday" • 2009 — Lie to Me — Tyler Seeger — Episode: "Control Factor" • 2009–2010 — Chowder — Marmalade / Ambrosia — Voice role; episodes: "A Faire to Remember", "Chowder Grows Up" • 2010 — Ghost Whisperer — Madison — Episode: "Dead to Me" • 2011–2013 — Body of Proof — Lacey Fleming — Main role, 36 episodes • 2012 — Frenemies — Emma Reynolds — Television film • Savannah O'Neal • Drop Dead Diva — Chloe Surnow — Episode: “Crushed” • 2013–2015 — The — Sarah — Episodes: "Saturday", "The Fallout," "Not That Kind of Girl" • 2014 — Saint Francis — Kimberly Quinlan — Television film • Scandal — Karen Grant — Episodes: "Like Father, Like Daughter," "Baby, It's Cold Outside" • Criminal Minds — Rebecca Farland — Episode: "Amelia Porter" • 2015 — Maron — Sydney Maron — Episode: "Marc's Niece" • The Devil You Know — Earth Fenn — Unsold television pilot • CSI: Cyber — Shelby Lockhart — Episode: "iWitness" • 2016 — Freakish — Mary Jones — Hulu original series • 2017 — Scorpion — Ada Pearce — Episode: "Don't Burst My Bubble" • 2018–2025 — data-sort-value="Cobra Kai"|Cobra Kai — Samantha "Sam" LaRusso — Main role, 65 episodes • 2018 — Happy Together — Diane — Episode: "How Jake and Claire Met" • 2019 — Room 104 — Adrianne/Lisa — Episode: "Prank Call" • 2022 — Nailed It! — Herself — Episode: "Cobra Kai"