Elarica Johnson (née Gallacher) is an English actress and model, best known for playing Hailey (aka Autumn Knight) in P-Valley. Johnson also starred in A Discovery of Witches, in which she played Juliette Durand. She played Kylie in EastEnders, a waitress at Surbiton station in Harry Potter and the Half Blood Prince, and Lula Landry in the 2017 series Strike.