This episode marks the final appearance of Roger Fenn, played by Jeff Rawle. He appeared in five episodes in total.
David Bamber, who plays the replacement vicar, Mr Porter, played the priest Mr Collins in "Pride and Prejudice" (1995).
The series (season, for those in the US) is dedicated to Carrie Hilton, the Casting Director for the first three seasons of Doc Martin (2004), the TV movies Doc Martin (2001) and Doc Martin and the Legend of the Cloutie (2003), and over 60 other movies and TV series. She died on 12 Aug 2007 of bowel and liver cancer.