Tristan Sturrock, who plays Danny, the Doc (Martin Clunes)'s rival for Louisa (Caroline Catz)'s affections, also appeared all three of the other productions featuring "Doc Martin" (Saving Grace (2000), Doc Martin (2001) & Doc Martin and the Legend of the Cloutie (2003)) as "Harvey".
Mary Woodvine plays Peter Cronk's mother, and her real life father, actor John Woodvine, plays Martin's father.
When Peter (Kurtis O'Brien) starts playing his movie, some of the sounds you hear are ambiance sound taken from the MMO game Everquest.