Danielle Nicole Panabaker is an American actress. She is best known for her roles in the Disney Channel films Stuck in the Suburbs and Read It and Weep , along with her younger sister Kay Panabaker. She came to prominence as a cast member alongside James Woods in the CBS legal drama series Shark and is also noted as a Scream Queen, having starred in the horror films Friday the 13th , The Crazies and John Carpenter's The Ward and Piranha 3DD . Her other films include Sky High and Mr. Brooks . In April 2014, Panabaker guest-starred as Caitlin Snow on The CW television series Arrow, and will reprise her role as one of the main characters in the spin-off The Flash, which will premiere in the fall of the same year.