Good Trouble Wiki

Mary Matilyn Mouser (born May 9, 1996) is an American actress.[1] She is best known for her role as Lacey Fleming on the ABC series Body of Proof. She portrayed Sarah Lewis on The Fosters.

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 Frannie 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 many animated features such as Bambi 2, Dragon Hunters, Tarzan 2, Pompoko, and The Fox and the Hound 2.

She has also appeared in guest starring roles on CSI: Crime Scene Investigation, Without a Trace, King of Queens, Monk, Inconceivable, Scrubs, One Life to Live and had a recurring role on NCIS as Gibbs' daughter Kelly. She also had a series regular role in the series 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.[2][3]


Year Title Role Notes
2005 Pom Poko Additional voices English version
Son of the Mask Alvey Avery Voice
Tarzan II Additional voices
Final Fantasy VII Advent Children Additional voices
2006 Hoodwinked! Additional Voices Voice
Bambi II Voice
Holly Hobbie and Friends: Christmas Wishes Lill Voice
Mr. Fix It Christine Pastore
2007 A Stranger's Heart Sarah "Cricket" Cummings
Penny Dreadful Clara Fowler
2008 Dragon Hunters Zoé Voice
Delgo Baby Delgo Voice
Ball Don't Lie Julia
2009 Bride wars Additional voice and Santy Claus
2012 Frenemies Emma Reynolds/Savannah O'Neal Lead role
Year Show Role Notes
2004 Without a Trace Amy Rose 1 episode
2004 Scrubs Little Girl 1 episode
2005 Monk Princess Girl 1 episode
2005 Inconceivable Kylie 1 episode
2005 CSI: Crime Scene Investigation Cassie McBride 1 episode
2005 The King of Queens Marissa 1 episode
2005–2006 NCIS Kelly Gibbs 4 episodes
2006–2007 Eloise: The Animated Series Eloise 6 episodes
2006 Mindi and Brenda Young girl Pilot
2007 State of Mind Ashley Petrovsky Unknown
2007–2008 Life Is Wild Mia Weller 13 episodes
2008 Life Carin Sutter 1 episodes
2009 Lie to Me Tyler 1 episode
2009 Ghost Whisperer Madison 1 episode
2011–2013 Body of Proof Lacey Fleming Series Regular


Drop Dead Diva

Cobra Kai

Chloe Surnow


Samantha LaRusso

1 episode

2 episodes

Award nominations

Nominated Young Artist Award Best Performance in a TV Movie, Miniseries or Special - Supporting Young Actress A Stranger's Heart
Nominated Best Performance in a TV Series - Supporting Young Actress Life Is Wild