Guest Stars Elspet Gray as Gertrude, Queen of Flanders Tim McInnerny as Percy, Duke of Northumberland Tony Robinson as Baldrick, Son of Robin the Dung Gatherer Robert East as Harry, Prince of Wales Gretchen Franklin as Cordelia Peter Cook as Richard III Kathleen St. John as Goneril Peter Benson as Henry VII Philip Kendall as Painter Barbara Miller as Regan Uncredited Patrick Allen voices Narrator