The Secret of Boyne Castle AKA Guns in the Heather (1969, Glenn Corbett, Alfred Burke, Kurt Russell)

A three part Disney TV drama set in Ireland and re-edited as a feature film, notable for a starring role for a very young Kurt Russell (twelve years before he made 'Escape from New York'), but also for a supporting role for CIE Leyland Leopard C131 (EZH131)