Caitlyn Leone, twin sister to actor Michael Leone, is an American actress who has been working since the age of 4. She is most known for her role of Casey Ross on Scandal, and her episodes of Modern Family and Greys Anatomy. She has also appeared in a few television movies and numerous commercials. Many recognize her as the "donut girl" from the Special K commercial or as the main tired school girl in her Claritin commercial.