Sierra McCormick was brought up in this world on 28th October 1997. She is working as an American actress. She got her name and fame after participating in a game show named. Are you smarter than a 5th Grader? Which was aired in 2007-2008. She even made her debut by portraying the role of Lilith on a television series named Supernatural which was aired in the year 2008. She won the Young Artist Award for voicing Alice in the direct-to-DVD. She was even nominated for the Critics Choice Super Awards for her movie named The Vast of Night.