All of the actors and actresses who play the O'Brien siblings have guest-starred on the TV program
Sobrenatural (2005).
Based on the "Chesapeake Shores" series of books by Sherryl Woods.
Jesse Metcalfe and Joyce Jonathan previously worked together on Dead Rising: Watchtower - O Filme (2015) and Todas Contra John (2006).
The actors/actresses playing Trace, Abby, Kevin, Conner, Bree, David, and Danielle all guest-starred on Smallville: As Aventuras do Superboy (2001); the actress playing Jess appears on another DC-Universe show, Arqueiro (2012).
Many of the actors/actresses from the show have starred in various Hallmark projects. Laci J Mailey (Jess), Emilie Ullerup (Bree), Michael Karl Richards (Wes), Jerry Trimble (Mark Hall), Greyston Holt (Jay), Gregory Harrison (Uncle Thomas) and Jessica Sipos (Sarah) all starred in Signed, Sealed, Delivered (2013) and/or its associated TV movies. The actors who play Connor and Danielle both appeared in the "Aurora Teagarden" series.