Rob Stewart previously starred in the TV show Tropical Heat(aka Sweating Bullets) with Ian Tracey who plays Wade on Heartland.
Barrick drives a custom 2006 Hummer H2. It was driven by Lisa's nephew Ben in a previous season.
Mallory's new car is the same lime green 2001 Volkswagen VW Beetle seen in season two driven by Lou's first guests who showed up a week early.
First appearance of Cassandra.