 He also starred as Ellis Peters's medieval detective Brother Cadfael in the BBC Radio 4 adaptations of "Monk's Hood", "The Virgin in the Ice" and "Dead Man's Ransom".He recorded a 12-CD audiobook of selections from Edward Gibbon's "Decline and Fall of the Roman Empire".In 2001 Madoc voiced the role of "Prospero" for the BBC Radio 3 production of "The Tempest".