Liliana Berry Davis Mumy (born April 16, 1994) is an American actress and voice actress. She is the daughter of actor Bill Mumy.
As a child, she was best known for playing Lucy Miller in The Santa Clause sequel films, Jessica Baker in the two Cheaper by the Dozen films, and for providing the voice of Mertle Edmonds in the sequel material of the Lilo & Stitch franchise. She also portrayed Audrey Fremont, the daughter of her real life father's character Anthony Fremont, in "It's Still a Good Life", an episode of the 2002 revival of The Twilight Zone that is the sequel to the iconic episode from the original 1959 series "It's a Good Life".
- My Neighbors the Yamadas: Nonoko Yamada
- The Santa Clause sequels: Lucy Miller
- The Santa Clause 2
- The Santa Clause 3: The Escape Clause
- Cheaper by the Dozen and its sequel: Jessica Baker
- Air Buddies: Rosebud (voice only) (replacing Abigail Breslin from Air Buddies)
- Snow Buddies
- Space Buddies
- Santa Buddies
- Scrubs: Samantha Tanner
- That '70s Show: 7 year old Donna
- The Twilight Zone (2002): "It's Still a Good Life": Audrey Fremont
- Lilo & Stitch franchise: Mertle Edmonds
- Higglytown Heroes: Twinkle
- American Dragon: Jake Long: Olivia Mears
- Holly Hobbie and Friends: Amy Morris
- Catscratch: Human Kimberly
- Chowder: Panini
- The Secret Saturdays: Wadi
- Batman: Year One: Holly Robinson
- DC Showcase: Catwoman: Holly Robinson
- Winx Club: Roxy (Nickelodeon English version)
- Bravest Warriors: Beth Tezuka
- The Loud House: Leni Loud
- Sofia the First: Amy, Jane, Bridget
- Shimmer and Shine: Alya
Tropes associated with her roles:
- The Other Darrin: For Mertle, who was voiced by Miranda Paige Walls in the first movie.
- Real-Life Relative:
- She played Audrey Fremont, the daughter of her father Bill Mumy's character Anthony Fremont, in The Twilight Zone (2002) episode "It's Still a Good Life".
- In Bravest Warriors, her father played her character Beth Tezuka's father Ralph Waldo Pickle Chips.
- On The Loud House, where she voices Leni, her father voiced Timothy McCole.