Kay Panabaker is an American film and television actress. She is the younger sister of Sky High star, Danielle Panabaker

Kay was born in Orange, Texas to Donna and Harold Panabaker. She started acting at various community theatres in Chicago, Illinois; Philadelphia, Pennsylvania; and Atlanta, Georgia. Her older sister, Danielle Panabaker is also an actress. In Naperville, Illinois, Kay attended Crone Middle School for sixth grade, and moved to Los Angeles, California at the start of seventh grade.

In between projects, Kay focuses on her academics. She graduated from high school as valedictorian when she was 13 years old and received her Associate's Degree at age 15. Kay received two academic scholarships from the community college she attended and was on the Dean's list, graduating with honors. She was accepted to UCLA as a junior history major when she was 15 and completed her BA in History from UCLA before she turned 18. Kay was inspired by an elementary school teacher who made learning exciting, and she wants to do the same for others, hoping to teach 4th or 5th grade once she finishes her teaching degree.

Kay Panabaker has guest-starred in several television dramas and soap operas. She portrayed "Alice Brand" in 7th Heaven, "Melissa Rue" in ER, "Sara" in Port Charles, "Carrie Bauer" in The Brothers García, "Ellisha" in Medium, "Lindsey Willows" in CSI: Crime Scene Investigation, to name a few. In film, she appeared in Dead Heat as "Sam LaRoche", and did some voice work in the Disney/Pixar film, Monsters, Inc.. Panabaker's breakout role came when she starred in The WB's Summerland as "Nikki Westerly", in the 2004-2005 season. She also appeared as "George" in the 2007 Nancy Drew: The Mystery in Hollywood Hills alongside Emma Robertsand Amy Bruckner.

Panabaker had a recurring role in Phil of the Future as straight-laced Debbie Berwick, a friend of, and foil to, Pim Diffy (played by Amy Bruckner). She starred in Life Is Ruff as "Emily Watson" alongside Kyle Massey and Mitchel Musso In July of 2006 she starred in the Disney Channel Original Movie Read It and Weep (based on the book How My Private Personal Journal Became a Bestseller), in which her sister Danielle Panabakeralso stars. In 2006 Panabaker was in the first ever Disney Channel Games, on the Red Team, with Zac Efron Anneliese van der Pol, Moises Arias, Dylan Sprouse and Shin Koyamada as part of the Disney Channel's So Hot Summer!. Her last movie was the Lifetime Television movie Custody which aired in September 2007. She is also starring in Happy Campers, an AbcFamily pilot. Her other recent movies include Moondance Alexander and The Prince and the Pauper with Dylan and Cole Sprouse