Kristin F. Cast was born on 4 November 1986 in Tulsa, Oklahoma, USA. She has won awards for her poetry, as well as served as journalist for her intermediate high school newspaper, Tiger Tales, and as editor for her high school magazine, Tiger Eye. She lives in Tulsa with her mother, P. C. Cast, an romance fantasy writer.
In 2007, she coauthor with her mother, the first novel of the House of Night series. She is thrilled to be coauthoring the Young Adults series, but also wants write alone. In November 2008, Variety reported that producers Michael Birnbaum and Jeremiah S. Chechik had obtained an option to acquire the motion picture rights in the House of Night series.