'Lurker' explores the dangers of celebrity obsession. (Mubi)How far would you go for a front-row seat to fame? That's the question at the heart of Lurker, a new film from The Bear writer Alex Russell. In the movie, which hits theaters Aug. 22, Théodore Pellerin plays Matthew, whose chance encounter with rising musician Oliver (Archie Madekwe) leads to him joining the performer's inner circle.