Liliana Mumy is an American actress and voice artist who grew up in a Hollywood family and built one of the most versatile careers among former child stars.
Best known for playing Jessica Baker in Cheaper by the Dozen and voicing Leni Loud in Nickelodeon’s The Loud House, Liliana Mumy has spent over two decades working across live-action film, television, and animation. This article explores her early life, education, career, personal life, and net worth.
Profile
| Full Name | Liliana Berry Davis Mumy |
| Born | April 16, 1994 |
| Age | 32 years old (as of 2026) |
| Birthplace | San Marcos, California, United States |
| Nationality | American |
| Occupation | Actress, Voice Artist |
| Education | Laurel Hall School; Campbell Hall School; Notre Dame High School, Sherman Oaks (graduated 2012) |
| Parents | Father – Bill Mumy (actor, musician); Mother – Eileen Joy Mumy (childbirth educator) |
| Siblings | Seth Mumy (older brother, also an actor) |
| Spouse | Ben H. Perlmutter (married September 2023) |
| Children | One son, Nathan Oliver Perlmutter |
| Net Worth | Estimated $4 million |
| Known For | Cheaper by the Dozen, The Santa Clause 2 & 3, The Loud House, Lilo & Stitch: The Series |
Early Life
Liliana Berry Davis Mumy was born on April 16, 1994, in San Marcos, California, to Eileen Joy Mumy, a childbirth educator, and Bill Mumy, a well-known actor, musician, and author famous for his role as a child actor in the classic Twilight Zone episode “It’s a Good Life” and in Lost in Space. Her father has Scottish, German, English, and French-Canadian ancestry, while her mother has Jewish ancestry. Growing up surrounded by creativity and the entertainment industry, Liliana developed a passion for acting from a very young age, following in the footsteps of her father. She has an older brother, Seth Mumy, who also pursued acting, and the family has collaborated on screen projects together over the years.
Education
Liliana attended Laurel Hall School in North Hollywood, California, before moving on to Campbell Hall School in Los Angeles. She later graduated from Notre Dame High School in Sherman Oaks, California, in 2012, balancing her education with an already-active acting career.
Career
Liliana Mumy’s career began remarkably early. At age five, she voiced Nonoko in the English dub of the Japanese animated film My Neighbors the Yamadas (1999). Two years later, at age seven, she made her live-action acting debut in a guest role as Samantha Tanner on the hit comedy series Scrubs, followed by an appearance on That ’70s Show as young Donna.
Her breakout came in 2002 when she was cast as Lucy Miller in The Santa Clause 2, a role she reprised in The Santa Clause 3: The Escape Clause. In 2003, she landed one of her most memorable roles as Jessica Baker in the family comedy Cheaper by the Dozen alongside Steve Martin, Bonnie Hunt, and Hilary Duff, reprising the role in the 2005 sequel Cheaper by the Dozen 2.
While her live-action career flourished, it was Liliana’s voice acting work that truly cemented her industry longevity. She voiced Mertle Edmonds across the Lilo & Stitch franchise, Twinkle in Higglytown Heroes, Panini in Cartoon Network’s Chowder, Human Kimberly in Nickelodeon’s Catscratch, and Roxy in the Nickelodeon revival of Winx Club. She also voiced Rosebud in Disney’s Buddies film franchise (Snow Buddies, Space Buddies, Santa Buddies).
Since 2016, Mumy has voiced Leni Loud, one of the lead characters in Nickelodeon’s long-running animated series The Loud House and its spinoff The Casagrandes, a role she has continued in both The Loud House Movie and No Time to Spy: A Loud House Movie. She has also voiced Beth Tezuka in the Frederator Studios animated web series Bravest Warriors, occasionally appearing alongside her father, Bill Mumy, who also lends his voice to the show.
Awards & Nominations
- Young Artist Award nomination – Best Performance in a TV Comedy or Drama Series, Guest Starring Young Actress Age Ten or Under, for My Wife and Kids (2003)
- Young Artist Award win – Best Young Ensemble in a Feature Film, for Cheaper by the Dozen (2004)
- Young Artist Award nomination – Best Performance in a Feature Film, Young Ensemble Cast, for Cheaper by the Dozen 2 (2006)
Social Media
Liliana Mumy is active on social media, where she shares updates about her voice acting projects, family life, and behind-the-scenes moments from productions like The Loud House.
Personal Life
Liliana Mumy was previously in a long-term relationship with actor Nicky Jones before later dating hockey player Andrew B. She became engaged to Ben H. Perlmutter on December 16, 2021, and the couple married in September 2023. Two months after their wedding, they welcomed their first child, a son named Nathan Oliver Perlmutter. Liliana shares a close working and personal relationship with her father, Bill Mumy, having appeared together on multiple television and voice projects, including Bravest Warriors.
Net Worth
Liliana Mumy has an estimated net worth of around $4 million, built primarily through her decades-long career in both live-action acting and voice acting, including long-running animated series and major Hollywood film franchises.
Filmography
- My Neighbors the Yamadas (1999) – voice of Nonoko
- Scrubs (2001) as Samantha Tanner
- The Santa Clause 2 (2002) / The Santa Clause 3: The Escape Clause as Lucy Miller
- My Wife and Kids (2002–2004) as Rachael/Rachel
- Cheaper by the Dozen (2003) / Cheaper by the Dozen 2 (2005) as Jessica Baker
- Lilo & Stitch: The Series / Leroy & Stitch – voice of Mertle Edmonds
- Higglytown Heroes – voice of Twinkle
- Catscratch – voice of Human Kimberly
- Chowder – voice of Panini
- The Cleaner (2008) as Lula
- Snow Buddies / Space Buddies / Santa Buddies – voice of Rosebud
- Winx Club (Nickelodeon revival) – voice of Roxy
- Bravest Warriors (2012–) – voice of Beth Tezuka
- The Loud House / The Casagrandes / The Loud House Movie / No Time to Spy: A Loud House Movie – voice of Leni Loud
FAQs
Who is Liliana Mumy?
Liliana Mumy is an American actress and voice artist known for Cheaper by the Dozen and voicing Leni Loud in The Loud House.
Who is Liliana Mumy’s father?
Her father is Bill Mumy, a well-known actor and musician best known for Lost in Space and The Twilight Zone.
Is Liliana Mumy married?
Yes, she married Ben H. Perlmutter in September 2023, and the couple has a son.
What is Liliana Mumy’s net worth?
Her estimated net worth is around $4 million.
Conclusion
From child star to seasoned voice acting veteran, Liliana Mumy has built a lasting career that spans generations of family entertainment. With her continued role as Leni Loud in The Loud House and a growing family life alongside husband Ben H. Perlmutter, Liliana Mumy remains a beloved and enduring figure in Hollywood.