Andrew Dunbar played the role of the police detective Adam Iverson in the first episode of Garage Sale Mysteries entitled Garage Sale Mystery.
In keeping with this series' "disguised Canadian origins", mounted to the edge of a shelf behind the antique store's counter, in classic "Fifties" style, is an automotive nameplate that says "Meteor". Meteors were produced and sold by Ford Canada from 1948 through 1962. They were basically Fords, but with distinctive CANADIAN grilles and chrome trim.
April Telek plays her second of three different characters of the movie series. In episode 1 Telek played 'Irene'. In this episode Telek plays 'Anne McNary'. Telek later plays a "Garage Sale Lady" in episode 16
Eva Bourne (Hannah Shannon) and Aren Buchholz (Tim Sanders) play a married couple on When Calls the Heart.
The music playing in the background at the Exeter Estate Sales early on is Piano Sonata Number 16, K 545, by Wolfgang Amadeus Mozart.