Kathryn Love Newton (born February 8, 1997) is an American actress, best known for her role as Allie Pressman in the Netflix TV series The Society, Lucy Stevens in Pokémon Detective Pikachu, Louise Brooks in the CBS television series Gary Unmarried, as well as for her role as Alex Nelson in the 2012 film Paranormal Activity 4, which earned her the 2013 Young Artist Award for Best Leading Young Actress in a Feature Film.