Actors Erin Krakow and Daniel Lissing are both great singers and have sung together before. They have mentioned doing an album together.
The actors portraying Bill Avery and Nora were married in real life, and Jack and Kristina Wagner also played a married couple on General Hospital.
Hamilton is the Canadian city frequently used in the show. Hope Valley is somewhere in the Pacific Northwest. A train ride from Vancouver to Hamilton would take about three days, according to today's trains and schedules, thus demonstrating that moving between Hope Valley and Hamilton would likely take even longer during the era in which the show takes place. They reference Bellingham, Washington being south of them by train so it must be in Canada
Wendell Backus Is Coal Valley's town drunk. Bacchus is the name of the Roman god of wine and both names are pronounced the same.
There was an ongoing joke that it was dangerous if actress Pascale Hutton (Rosemary) wasn't given any lines. She would make up her own lines and talk excessively, like her character in the show.