By Press Association. Additional reporting: Suzanne Kendrick The Bill actor Ben Roberts dies aged 70. Picture: PA A WELSH-born actor who starred in ITV's The Bill has died aged 70. Ben Roberts, who played Chief Inspector Derek Conway in the police drama between 1987 to 2000, died on Monday, according to his agent. Roberts, who was originally from Bangor, was best known for playing the dogged and career-focused officer Conway, but later moved into film and appeared in features by Tim Burton and James Bond director Cary Fukunaga. Lizanne Crowther Management (LCM), which represented Roberts until he stopped working, confirmed his death to the PA news agency.