Clough Williams-Ellis nació el 28 de mayo de 1883 en Northamptonshire, Inglaterra. Estuvo casado con Mary Amabel Nassau Williams-Ellis. Murió el 9 de abril de 1978 en Reino Unido.
Designed and primarily responsible for construction of the town of Portmeirion in Wales. Portmeirion is best known as the location where the series El prisionero (1967) was filmed, as well as parts of the series Cita con la muerte (1960). Consequently, he was in both of these series as an extra.