A quirk of TV scheduling finds Laura Donnelly starring in two shows at the same time: ITV serial killer drama The Dark and Apple TV private detective series Sugar. She speaks to DQ about choosing the roles, the importance of character backstory and why she believes there are no guarantees in television. 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.