Eileen WintertonEileen Rosa Windridge, known professionally as Eileen Winterton, was a British actress known for her roles in Theatre 625 and Doctor Who.BiographyCareerEileen Winterton is best known for her appearance in Theatre 625 in 1965 and her uncredited roles in the Doctor Who serials Day of the Daleks and State of Decay. She was the first person associated with the Whoniverse to become a centenarian and remains the eighth longest-lived. She also appeared in two 1967 episodes of The Prisoner.