Debut of Julia Sawalha as Carla Borrego.
At 12:37 and following the quote is from Edgar Allen Poe's "The Raven".
Stuart Milligan and Jay Benedict both appear in this episode as magic performers. Both had uncredited minor speaking parts in Aliens (1986). Another Aliens alumnus Valerie Colgan (also in a minor speaking part) appears in Jonathan Creek episode 'The Scented Room' from Season 2.