The modernist house in which Lamerat lives is used again in series 19's 'Death by Persuasion'. The decor is slightly changed but the same iconic Mies Van Der Rohe chair is clearly seen in both episodes.
Tessa Peake-Jones plays Mary Appleton in this episode. She previously played the role of Sarah Lawton in episode 1.4, Faithful unto Death (1998).
Richard Graham plays Gerry Bleacher in this episode. He previously played the role of Stanley Goodfellow in episode 11.7, Talking to the Dead (2008).