This episode was originally (and subsequently) shown out of sequence. It was supposed to be the first episode of season three, as DCI Allen is mentioned as still being at the station (although away on leave), whereas in the previous episode, "Appropriate Adults", DCI Hawkes has replaced him.
Michael Byrne and Allie Byrne who play father and daughter Alex and Ruth Ormrod are father and daughter in real life.
Nathaniel Parker plays the lead role in The Inspector Lynley Mysteries series.