| Rylan |
Blaze | A magician performing at the show; auditor for Lyle Pearse. |
| Vere Gordon |
Childe | Man who died in 1957 after falling in the Blue Mountains; connected to the historical mystery. |
| Agatha |
Christie | Famous British mystery novelist referenced by Ern as an influence. |
| Andy |
Cunningham | Ernest's uncle; a member of his dysfunctional family. |
| Ernest |
Cunningham | Protagonist and first-person narrator; a crime writer repeatedly caught inside real murders. Aka: Ern, Ernie |
| Arthur Conan |
Doyle | Author of the Sherlock Holmes stories, referenced in discussions of classic detective fiction. |
| Josh |
Felman | A tabloid journalist covering the events and scandal surrounding the murder. |
| Aidan |
Garritt | Businessman attempting to buy Lyle Pearse's business interests. |
| Erin |
Gilfoyle | Ernest's ex-wife; later marries Lyle Pearse. |
| Felicity |
Herrington | Chief Financial Officer of Lyle Pearse's foundation. Aka: Flick |
| Kris |
Kringle | Performer referenced in the Christmas-themed production. |
| Sam |
Lin | Hypnotist performing in the show at the theatre. |
| Theresa |
Lin | Twin sister of Sam Lin. |
| Shaun |
Martin | One of Flick's magicians involved in the production. |
| Aleksander |
Mortgart | Architect who designed the historic theatre where the show takes place. |
| Lyle |
Pearse | Wealthy foundation head and show producer; Erin's new husband and the murder victim. |
| Dinesh |
Roy | Production manager for the theatre show. |
| Mr. |
Sullivan | Senior police sergeant investigating the case. Aka: Mr. Sullivan |
| Taylor |
Swift | Real-world pop star referenced humorously in narration. |
| Christopher |
| Head counselor overseeing participants connected to the production. |
| Juliette |
| Ernest's fiancée, whose relationship with him is strained. |
| Marcelo |
| Ernest's stepfather. |
| Sofia |
| Flick's step-sister. |
