|Date of Birth:||May 9, 1996|
|Birth Place:||Pine Bluff, Arkansas, United States|
|Full Name:||Mary Matilyn Mouser|
|First appearance:||Like Father, Like Daughter|
|Last appearance:||Baby, It's Cold Outside|
Mary Mouser plays Fitz and Mellie's daughter Karen Grant on Scandal.
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 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.