Michael Longhurst’s production is a hard-hitting brutal play about teen depression, broken relationships, new relationships and stressed loyalties. But there is so, so much more in this play to discover. We had the opportunity to sit down with the principals in the cast just before warm up - Amaka Okafor, John Light, Laurie Kynaston and Amanda Abbington - to discuss the plays themes, the rehearsal process and the audience reactions.