Ian only appears in the pre-filmed fight scene, in order to give William Russell a holiday during production.
This episode takes place in Palestine in 1190.
William Russell refused to have ants crawl on his arm, so production assistant Viktors Ritelis agreed to double for him.
Julian Glover reprised his role as King Richard the Lionheart in Ivanhoe (1982), which was likewise directed by Douglas Camfield.