| POIROT | Fictional detective in Agatha Christie's stories including Murder on the Orient Express (6) |
| MEAD | St Mary -; village inhabited by Miss Marple in Agatha Christie's stories (4) |
| JAPP | Inspector in Agatha Christie stories |
| WATSON | Dr -; fictional character in stories including A Study in Scarlet, The Sign of the Four and The Hound of the Baskervilles (6) |
| CLARKE | Sir Carmichael ___, the C of murder victims in in Agatha Christie's novel The ABC Murders |
| HOLMES | Surname of a fictional detective who features in four novels and 56 short stories including A Study in Scarlet and The Hound of the Baskervilles (6) |
| SUCHET | Surname of David who played the title role in Agatha Christie's Poirot (6) |
| FINNEY | Actor whose roles include Hercule Poirot in the 1974 film version of Murder on the Orient Express and Sir Winston Churchill in The Gathering Storm (6) |
| HAMMER | Fictional detective in horror film (6) |
| RUNYON | Damon _, US author of stories including The Idyli Of Miss Sarah Brown and Blood Pressure (6) |
| LUPONE | Broadway performer who appeared in Agatha All Along, Patti _ (6) |
| TATTLE | Tell stories including a tale of a teetotaller (6) |
| AGATHA | First name of English author of Murder on the Orient Express (6) |
| VICARAGE | Word for the clergy house or parsonage where a murder takes place in Agatha Christie's debut Miss Marple novel first published by the Collins Crime Club in 1930 (8) |
| SERGEANTTROTTER | Detective character in Agatha Christie's popular murder mystery play The Mousetrap (8,7) |
| SHERLOCK | First name of a fictional detective in novels including A Study in Scarlet and The Hound of the Baskervilles (8) |
| DREW | Nancy -; fictional sleuth in a number of mystery stories including The Clue in the Crossword Cipher (4) |
| ARSENIC | In Agatha Christie's After The Funeral, in what has a piece of wedding cake been soaked? (7) |
| JULIA | Actress who has played the title role in Agatha Christie's Marple, _ McKenzie (5) |
| TUPPENCE | Little change previously seen in Agatha Christie detective (8) |