An eccentric woman detective investigates the murders of several people who visited the same medium.
| Actor | Role |
|---|---|
 Mary ClareMrs Pym | Mrs Pym |
 Nigel PatrickRichard Lodden | Richard Lodden |
 Irene HandlMiss Bell | Miss Bell |
 Edward LexyDet-Inspector Shott | Det-Inspector Shott |
| JJanet JohnsonMaraday Wood | Maraday Wood |
 Anthony IrelandHenry Mencken | Henry Mencken |
| RRobert EnglishCommissioner of Police | Commissioner of Police |
| AArthur RidleyDivisional Surgeon | Divisional Surgeon |
| VVernon KelsoFrank Wood | Frank Wood |
| LLionel DymokeAssistant Commissioner | Assistant Commissioner |
| BBen WilliamsDetective-Constable | Detective-Constable |
| AArthur E. OwenHall Porter | Hall Porter |
| JJack JamesonClerk from Criminal Record Office | Clerk from Criminal Record Office |
| JJoan HalladayEliza Puttick | Eliza Puttick |