Biography: Elle Charlotte Graham (born May 25, 2009, in Wilmington, North Carolina) is an American television and film actress known for playing Nancy Wheeler in Are You There God? It's Me, Margaret., Savannah Dillon in Secrets of Sulphur Springs, and Sara Hopper in Stranger Things. She also played Susie Coyle in Swamp Thing. Graham's mother, Emily Graham, is an actress who has appeared in a few movies. She has four siblings, two sisters and two brothers.