When estranged siblings Lindsay and Brad travel to Scotland at Christmas to reunite with their mother Jo, a big family secret is revealed.
| Actor | Role |
|---|---|
 Lacey ChabertLindsay Morgan | Lindsay Morgan |
 Scott WolfBrad Morgan | Brad Morgan |
 James RobinsonMac Bell | Mac Bell |
 Kellie BlaiseSarah Morgan | Sarah Morgan |
 Fiona BellJosephine | Josephine |
 Gerry O'BrienGraeme Stewart | Graeme Stewart |
| TTom DoonanHamish | Hamish |
| AAli WhiteDr. Amerila Bell | Dr. Amerila Bell |
| LLaura HughesElspeth Abernathy | Elspeth Abernathy |
| EEilidh MurrayYoung Josephine | Young Josephine |
| AAndy PeppietteDanny | Danny |
 Chris McHallemAngus Ryan | Angus Ryan |
 Tiernan Messitt-GreeneCharlie | Charlie |
 Gemma KaneIsla | Isla |
 Will KempThomas | Thomas |
 Deirdre MonaghanLocal Woman | Local Woman |
| IIggy BownesMorgan Family Driver | Morgan Family Driver |
| SStella WatsonMaid | Maid |
| BBryce RikertFootman | Footman |
| JJanet GreneWhiskey Distiller (uncredited) | Whiskey Distiller (uncredited) |