Mary Matilyn Mouser (born May 9, 1996) is an American actress. She is best known for her role as Lacey Fleming on the ABC series Body of Proof. She took over the role of Karen Grant, Fitz & Mellie's daughter on Scandal in Season 4.

Life and career

Mouser was born in Pine Bluff, Arkansas. She started her career at the age of five when she was chosen as a photo-double for Mel Gibson's daughter in Signs. She has two siblings, Aaron Parker Mouser and Laura Ashley Mouser, who are also in the acting business.

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 done voice work for animated features such as Dragon Hunters, Tarzan 2, and Pompoko.

She also was a voice actress in the audio drama series, Adventures in Odyssey as Samantha McKay, younger sister of Grady McKay.

She 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. More recently she was on Lie To Me. Mouser also had a guest star role on Ghost Whisperer as the character Madison.

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



2005Pom PokoAdditional VoicesEnglish version
2005Son of the MaskAlvey Avery (voice)
2005Tarzan II(voice)Video
2005Final Fantasy VII: Advent ChildrenAdditional voicesEnglish version
2006Holly Hobbie and Friends: Christmas WishesLill (voice)Video short
2006Mr. Fix ItChristine Pastore
2007LA BluesSara
2007Penny DreadfulClara FowlerShort film
2008Dragon HuntersZoé (voice)English version
2008DelgoBaby Delgo (voice)
2008Ball Don't LieJulia
2009Bride Wars(voice)
2009Hole, TheThe HoleAnnie (voice)
2011All Kids CountCarla
2012FrenemiesEmma Reynolds and Savannah O'Neal
2014Field of Lost ShoesLibby Clinedinst
2014Alexander and the Terrible, Horrible, No Good, Very Bad DayAudrey Gibson


2004Without a TraceAmy RoseEpisode: "Nickel and Dimed: Part 2"
2005ScrubsLittle GirlEpisode: "My Lips Are Sealed"
2005MonkPrincess GirlEpisode: "Mr. Monk Goes Home Again"
2005InconceivableKylieEpisode: "Between an Egg and a Hard Place"
2005CSI: Crime Scene InvestigationCassie McBrideEpisode: "Gum Drops"
2005King of Queens, TheThe King of QueensMarissaEpisode: "Move Doubt"
2005–12NCISKelly GibbsRecurring, 9 episodes
2006Mindy and BrendaYoung GirlTV film
2006–07Eloise: The Animated SeriesEloise (voice)Main role, 6 episodes
2007Stranger's Heart, AA Stranger's HeartCricketTV film
2007State of MindAshley PetrovskyTV series
2007–08Life Is WildMia WellerRegular role, 13 episodes
2008LifeCarin SutterEpisode: "Black Friday"
2009Lie to MeTyler SeegerEpisode: "Control Factor"
2009–10ChowderMarmalade / Ambrosia (voice)Episodes: "A Faire to Remember" and "Chowder Grows Up"
2010Ghost WhispererMadisonEpisode: "Dead to Me"
2010Lord of the Rings: Aragorn's Quest, TheThe Lord of the Rings: Aragorn's QuestElanor (voice)Video game
2011–13Body of ProofLacey FlemingRegular role, 36 episodes
2012FrenemiesEmma / SavannahTV film
2012Drop Dead DivaChloe SurnowEpisode: "Crushed"
2013–2015Fosters, TheThe FostersSarahEpisodes: "Saturday", "The Fallout," "Not That Kind Of Girl"
2014Saint FrancisKimberly QuinlanTV movie
2014ScandalKaren GrantEpisode: "Like Father, Like Daughter"
2014Criminal MindsRebecca FarlandEpisode: "Amelia Porter"
2015MaronSydney MaronEpisode: "Marc's Niece"
2015The Devil You KnowEarth FennPilot
2015CSI: CyberShelby LockhartEpisode: "IWitness"

Award nominations

YearResultAwardCategoryNominated work
2008NominatedYoung Artist AwardBest Performance in a TV Movie, Miniseries or Special - Supporting Young ActressA Stranger's Heart
Best Performance in a TV Series - Supporting Young ActressLife Is Wild