During the scene in which Ross tells Pauline she has a place on the lifeboat, Ellingham greets both of them with a comment they have met before. Ross rubs his chest during this interchange, referencing the gynecomastia he suffered from in the pilot, "Going Bodmin".
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".