Stephen McHattie and Maury Chaykin turn up as Moss and Pa Gollean, respectively (they both have too many Hey, It's That Guy! roles under their belt to narrow it down to just one each).
John Myers is hapless, hay fever-suffering Cleasby in Prime Ridge.
Midsummer Nightmare was intended to be filmed at Stonehenge, but the location was unavailable due to Foot and Mouth restrictions in place at the time (lampshaded in the show) so they had to settle for the decommissioned Battersea Power Station instead.