Martha Burns, who plays the Russian spy Nadia in this episode, is married to Paul Gross, who plays Constable Fraser.
Shortly after Fraser and Ray arrive at the dock they open a wooden crate only to discover it's full of rubber bath ducks, similar to the crate of ducks they drive through towards the end of episode 1, season 3 titled Burning Down the House.
Susan Douglas (Rubes) plays Ruth Henry in this episode. She was married to Jan Rubes who plays Dr. Mort Gustafson in the series.