Silo star Alexandria Riley reflects on her character’s rise from supporting character to protagonist in Apple TV’s sci-fi thriller, discusses what’s in store in the upcoming third season and reveals why being on the set of the series is like visiting an amusement park.   Drama Quarterly subscriber content Subscribe to Drama Quarterly and stay up to date with the shows you love and the stories behind them HERE (Subscriptions cost just £7.50/month or £75/year) Existing subscribers can log in HERE.