| Mollie Ralston | Brianne Puls | |
| Giles Ralston | Brian MacHarrie | |
| Christopher Wren | Bryan De Oliveira | |
| Mrs. Boyle | Arielle Margot Welch | |
| Major Metcalf | Charlie Gastich French | |
| Miss Casewell | Dana Gastich French | |
| Mr. Paravicini | Joseph Smith | |
| Detective Sergeant Trotter | Nick Ford |