Sierra McCormick: Sierra McCormick. Actress: The Vast of Night. Sierra Mccormick was born in Asheville, NC and grew up in Palm Springs, CA. She began performing in film and television at a young age, and had a number of roles on different network TV shows throughout the late 2000s, including Are You Smarter Than a 5th Grader, Criminal Minds, Supernatural, Monk, and Curb Your Enthusiasm. Later, she worked on larger studio films...