Towards the end, Adam is wearing a "shirt" featuring Japanese writing whilst talking to Duggie Dawson. Duggie tells Adam that the writing reads "I am full of sh*t". The symbols on the shirt are Japanese but they are mirrored. It translates as "lie" (or "exaggerate").
Lysette Anthony who guest stars as Mimi also started in film with a ghost in the title; A Ghost in Monte Carlo. This film also stared Marcus Gilbert who perversely guest stared in the Jonathan Creek episode Mother Redcap as the nudist Jason Tippet.