
Kimberly Jean Brown (born November 16, 1984) is an American actress and former child model. She is known for her roles as Marah Lewis #3 on The Guiding Light (for which she earned an Emmy nomination), Annie Wheaton in the Rose Red miniseries (an original miniseries written by Stephen King), teen witch Marnie Piper on the Halloweentown series, and Sarah Sanderson in Bringing Down the House.
By the time she was 11 years old, Brown had already enjoyed success as a child model with Ford Models and performed in multiple Broadway shows. At the age of 13, Brown was cast in her most notable film, the Disney Channel Original Movie Halloweentown, in which she played 13-year-old teen witch Marnie Piper. She reprised her role as Marnie in two sequels.
In 1999, she co-starred with Janet McTeer in Tumbleweeds. She also starred in another Disney Channel original movie, the 2000 film Quints. She portrayed young Christine Chapman in My Sister's Keeper (2002), Sarah Sanderson in Bringing Down the House (2003), and Tiffany in Be Cool (2005).
She had a recurring role as Shana Taylor on AMC's Low Winter Sun and appeared in the YouTube series Christy's Kitchen Throwback. In May 2021, it was announced she had joined the cast of General Hospital.

A Bug's Life
1998 · as Additional Voices (voice)

Be Cool
2005 · as Tiffany

Halloweentown High
2004 · as Marnie Piper

Halloweentown II: Kalabar's Revenge
2001 · as Marnie Piper

Bringing Down the House
2003 · as Sarah Sanderson

Halloweentown
1998 · as Marnie Piper

Friendship!
2010 · as Dorothee

My Sister's Keeper
2002 · as Young Christine Chapman

Big Bad Wolf
2006 · as Samantha 'Sam' Marche

Quints
2000 · as Jamie Grover

Crossword Mysteries: Proposing Murder
2019 · as Angela

Ellen Foster
1997 · as Dora

Tumbleweeds
1999 · as Ava Walker

Haul Out the Halloween
2025 · as Luna

Christmas in Cartoontown
1996

Rough Cut
2026 · as Erin Rodgers