Liliana Mumy (born April 16, 1994 in Los Angeles, California) is an American child actress.
The daughter of former child star Bill Mumy and sister of child actor Seth Mumy, Liliana has appeared in several motion pictures. Her most recent and notable film appearance was in Cheaper by the Dozen 2 starring Steve Martin, Hilary Duff, Jacob Smith and Piper Perabo.
Liliana provides the voice of Mertle Edmonds (Lilo's longtime rival) on Stitch! The Movie and Lilo & Stitch: The Series. She is also the voice of Twinkle on Higglytown Heroes and the voice of Human Kimberly on Nickelodeon's Catscratch.
Look for her in The Santa Clause 3, coming out at Christmas 2006.
Liliana's favorite food is sushi. She goes to private middle school and lives in the Los Angeles area of California. Her middle names are Berry Davis, confirmed by her dad, Bill Mumy on his web site.
She also appeared on That 70s Show as Donna when she was young as well as a small guest star role in Scrubs.