Sierra McCormick is an American actress. She first became known for participating on the game show Are You Smarter Than a 5th Grader? before making her acting debut with a recurring role as Lilith on the television series Supernatural.
Sierra McCormick is an American actress. She first became known for participating on the game show Are You Smarter Than a 5th Grader? before making her acting debut with a recurring role as Lilith on the television series Supernatural.
Sierra McCormick is an American actress. She first became known for participating on the game show Are You Smarter Than a 5th Grader? before making her acting debut with a recurring role as Lilith on the television series Supernatural.
