Only four actors played the same character in more than one episode of the series: Mark Donaldson (William the Conqueror) and Geoffrey Matthews (Ealdred, Archbishop of York) in The Saxon Dusk (1975) and The Conquerors (1975), Alfred Lynch (King James I) in A Rich and Beautiful Empire (1975) and America! America! (1975) and Bernard Hepton (Oliver Cromwell) in March On, Boys! (1975) and The Agreement of the People (1975).