Miss Willoughby is an educator and keen adventurer, an heiress to a family fortune who, along with her ex-forces butler, Robert, and cheeky but reliable Jack Russell, Bentley, gets pulled into mystery and adventure surrounding a haunted antique bookshop.
| Actor | Role |
|---|---|
 Nathalie CoxMiss Willoughby | Miss Willoughby |
 Kelsey GrammerRobert Thompson | Robert Thompson |
 Caroline QuentinSarah Clarkson | Sarah Clarkson |
 Steven ElderOliver Deakin | Oliver Deakin |
 Tara FitzgeraldDiana Branson | Diana Branson |
 Louise BangayHelen Deakin | Helen Deakin |
 Wayne GordonDI Pryce | DI Pryce |
 Nicholas JonesProfessor Vernon Murray | Professor Vernon Murray |
 Bhavna LimbachiaDr. Gaya Shirani | Dr. Gaya Shirani |
 Marc BannermanCharles Vaines | Charles Vaines |
 Giacomo GexYoung Robert Thompson | Young Robert Thompson |
| SScarlett GrahamYoung Miss Willoughby | Young Miss Willoughby |
 Lucas LiveseyAndrew | Andrew |
| LLauren DickinsonBriony | Briony |
 Russell RichardsonVicar | Vicar |
| BBryan SamsonRoland's Ghost | Roland's Ghost |
| BBarbara JillingsHousekeeper Laura | Housekeeper Laura |