Liliana Mumy

Liliana Berry Davis Mumy (born April 16, 1994) is an American television, film and voice actress. Between 2002 and 2006, she appeared as Jessica Baker in the two Cheaper by the Dozen movies, Lucy Miller in two films of The Santa Clause trilogy and performed the voice of Mertle Edmonds in the Lilo & Stitch franchise.

Liliana Mumy
Liliana Berry Davis Mumy

(1994-04-16) April 16, 1994
Years active1999–present

Her father is actor Bill Mumy. Among his many roles, he appeared as Will Robinson in the Lost in Space TV series, and as a child in the 1961 The Twilight Zone episode "It's a Good Life". Liliana appeared with her father, as his child, in the revival series' 2003 sequel episode "It's Still a Good Life". She currently voices Beth Tezuka in the animated web series Bravest Warriors and Leni Loud in the Nickelodeon TV series The Loud House, and has been joined by her father on some episodes of both shows.

Personal life

Mumy was born in San Marcos, California, the daughter of Eileen Joy (née Davis), a childbirth educator, and former child star Bill Mumy.[1] She is the sister of former child actor Seth Mumy. She graduated from Laurel Hall School in North Hollywood, California and attended Campbell Hall School. She left there and graduated from Notre Dame High School in Sherman Oaks, California in 2012.

She is a fan of the Pittsburgh Penguins, the Philadelphia Eagles and the Los Angeles Lakers.


Mumy has appeared in several motion pictures. Her most notable film appearances are in Cheaper by the Dozen, Cheaper by the Dozen 2, The Santa Clause 2, as well as The Santa Clause 3: The Escape Clause. In 2002, Mumy played Audrey Fremont, the daughter of her father Bill's character Anthony, in a sequel to the classic The Twilight Zone episode "It's a Good Life" called "It's Still a Good Life".

Mumy provided the voice of Mertle Edmonds (Lilo Pelekai's rival) in Stitch! The Movie, Lilo & Stitch: The Series, Lilo & Stitch 2: Stitch Has a Glitch, and Leroy & Stitch, and voicing a character with a smaller role on American Dragon: Jake Long as Haley's rival at school. She is also the voice of Twinkle on Higglytown Heroes and the voice of Human Kimberly on Nickelodeon's Catscratch. Lesser roles included TV appearances playing Rachael/Rachel in six episodes on My Wife and Kids from 2002-2004 as well as young Donna on That '70s Show and guest starring in Scrubs as a girl at her birthday party (whose face J.D. daydreams of shoving into her cake). She also voiced Panini in the cartoon Chowder, airing on Cartoon Network and played Lula in The Cleaner in 2008. She also voiced a feisty, fashionable, pink-loving, golden retriever puppy named Rosebud in the Disney movies Snow Buddies, Space Buddies, and Santa Buddies. In June 2012, Mumy started voice work as 'Beth' in Bravest Warriors, an animated series created by Pendleton Ward, produced by Frederator Studios for their channel, Cartoon Hangover, a premium content partner of YouTube.[2] Mumy also provided the voice of Roxy on Nickelodeon's Winx Club and Leni Loud on Nickelodeon's The Loud House.



2001ScrubsSamantha Tanner"My Old Lady"
2002That '70s ShowDonna (age 7)"Class Picture"
Strong MedicineAnnie"Discharged"
2002, 2004My Wife and KidsRachel McNamaraRecurring role; 5 episodes
2003The Twilight ZoneAudrey Fremont"It's Still a Good Life"
2003–2006Lilo & Stitch: The SeriesMertle Edmonds (voice)Recurring role; 24 episodes
2004Crossing JordanLena"After Dark"
2005Coconut Fred's Fruit Salad IslandLarry Simpson (voice)"Bananas for Golf/Fruit Ball Heroes"
2005The BackyardigansAirplane Kid/Crying Baby[3]
2004–2007Higglytown HeroesTwinkle (voice)Main role; 55 Episodes
2005–2006CatscratchHuman Kimberly (voice)Recurring role; 8 episodes
2005, 2007American Dragon: Jake LongOlivia Meers (voice)Guest role; 2 episodes
2007Me, Eloise(voice)"Eloise Goes to Hollywood Part 1"
Help Me Help YouMadison"Boxer"
2007–2010ChowderPanini (voice)Main role; 30 episodes
2008–2009The CleanerLula BanksMain role; 20 episodes
2008Batman: The Brave and the BoldDoll/Kid #2 (voice)"Invasion of the Secret Santas"
2009–2010The Secret SaturdaysWadi (voice)Guest; 3 episodes
2012–2015Winx ClubRoxy (voice)Season 4-6 (English voice); 10 episodes
2012–2018Bravest WarriorsBeth Tezuka (voice)Main role; 78 episodes
2015–presentRidge Middle SchoolEric Winans/Megan Krueger/Alana Schriver (voice)Main role; N/A episodes
2015–2016Fresh Off the BoatLaylaGuest role; 2 episodes
2016–presentThe Loud HouseLeni Loud (voice) & OthersMain role; 73 episodes
2017Shimmer and ShineAyla (voice)Episode: "Hairdos and Hair-Don'ts"
2017Be Cool, Scooby-Doo!Daughter (voice)"World of Witchcraft"
2020The CasagrandesLeni Loud (voice)"Cursed!"


1999My Neighbors the YamadasNonoko (voice)English version
2002The Santa Clause 2Lucy Miller
2003Stitch! The MovieMertle Edmonds (voice)Video
Cheaper by the DozenJessica Baker
2004Howl's Moving CastleMadge, Young Girl (voice)English version
2004Mulan IIAdditional voicesVideo
2005Holly Hobbie and Friends: Surprise PartyAmy Morris (voice)Video short
Lilo & Stitch 2: Stitch Has a GlitchMertle Edmonds (Voice)Video
The Happy ElfSister (voice)
Cheaper by the Dozen 2Jessica Baker
BarnyardChick (voice)
Holly Hobbie and Friends: Christmas WishesAmy Morris (voice)Video short
Leroy & StitchMertle Edmonds (voice)Video
The Santa Clause 3: The Escape ClauseLucy Miller
2007Holly Hobbie and Friends: Secret AdventuresAmy Morris (voice)Video short
Holly Hobbie and Friends: Best Friends Forever
2008Snow BuddiesRosebud (voice)Video
2009Space Buddies
Santa Buddies
2011Batman: Year OneHolly Robinson (voice)
DC Showcase: CatwomanVideo short
2021The Loud House MovieLeni Loud (voice)In production


  1. Bill Mumy Biography,; accessed June 14, 2017.
  2. "Bravest Warriors — Liliana Mumy, John Omohundro, & Thomas..." Bravest Warriors.
  3. "The Power of the Atom". The Backyardigans. Season 1. Episode ???. September 16, 2005. EricTV.
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