The Walkers of Dembley is the first episode of the first season of Agatha Raisin. The episode was written by Chris Murray and directed by Geoffrey Sax. It aired June 7, 2016 on Sky One.

The episode is based on the Agatha Raisin book of the same name.


When militant rambler Jessica Tartinck is found bashed to death in a field, former PR whiz Agatha Raisin is forced to go undercover to get to the bottom of the grisly crime.


Having spent years toiling away in London, Agatha has relocated to the Cotswolds. However, her hopes of a quiet life are dashed when murders start occurring in her village. Drawn into their mysteries, Agatha attempts to solve the crimes... often in rather unorthodox ways.

In the first episode, a walker is found dead on a local baronet's land soon after he declares war on her rambling group for trespassing on his land.

Eager to solve the crime, Agatha convinces James that they should pose as a married couple and go undercover in the victim's rambling group. Their pretence proves tricky to keep up in the tiny Cotswolds community, particularly for James, who has just started to date someone else.

However, when someone tries to violently warn Agatha off the case, the pair pull together to uncover the truth. Delving into the locals' lives, they find that not all is as it seems. But can they expose Dembley's killer?


Regular cast

Guest cast

  • Lara Rossi as Kirsty King
  • Debbie Chazen as Jessica Tartinck
  • Robin McCallum as Gustav
  • Rebecca Night as Deborah Camden
  • Paul Venables as Jeff Benson
  • Emma Stansfield as Alice Dewhurst
  • Diljohn Singh as Khusan
  • Andy Williams as Joe Noakes




International premieres

  • August 8, 2016 (USA)
  • June 25, 2017 (France)
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