'Agatha Raisin' season 3: Release date, plot, cast, and everything you need to know about the British comedy-drama

The drama follows middle-aged sleuth Agatha Raisin who returns to the place of her childhood and solves a murder mystery in each episode. Based on the books by M.C. Beaton, the show will return for a third season this fall.

                            'Agatha Raisin' season 3: Release date, plot, cast, and everything you need to know about the British comedy-drama

The comedy-drama about the eponymous detective 'Agatha Raisin' is set to return to Sky 1 for its third season this fall. The show is based on the humorous mystery novels written by Marion Chesney under the pseudonym of M.C. Beaton. The first season consisted of eight episodes in addition to the pilot, while the second season consisted of three episodes. The show follows Agatha Raisin, a frustrated, yet charming, middle-aged woman who leaves her job as a public-relations agent in London and moves to Carsely in the Cotswolds. In each episode, she solves a mystery.

Release date

The third season will premiere with the Halloween-themed episode 'Agatha Raisin and the Haunted House' on October 28, 2019.


The third season will consist of four 90-minute episodes and will be adapted from the novels 'Agatha Raisin and the Haunted House', 'Agatha Raisin and the Deadly Dance', 'Agatha Raisin and the Love from Hell,' and 'Agatha Raisin and the Pig That Turned'. When the show returns for the third season, Agatha has started her own detective agency and is waiting for a case to turn up. Meanwhile, she is in a relationship with former military man James Lacey.

In the novel, 'Agatha Raisin and the Haunted House', Agatha meets a man named Paul who introduces her to the owner of a haunted house, Mrs. Witherspoon. The house is plagued by whispers, footsteps, and a mysterious cold, white mist and the police have not been of any help to Mrs. Witherspoon. When Mrs. Witherspoon turns up dead under strange circumstances, Agatha is faced with solving another confusing murder mystery.


Ashley Jensen

Ashley Jensen as Agatha Raisin in a still from 'Agatha Raisin'. Credits: Sky 1 / Acorn TV

Ashley Jensen is an Emmy-nominated Scottish actress who has previously acted in 'Ugly Betty', 'Extras', and 'Accidentally on Purpose'. She plays the eponymous role of Agatha Raisin. Agatha grew up in the Cotswolds and decides to return after taking early retirement from her public-relations job. She pursues her dream of becoming a detective and is good at her job thanks to her incredible focus.

Jamie Glover

Jamie Glover as James Lacey in a still from 'Agatha Raisin'. Credits: Curtis Brown / Sky 1 / Acorn TV

Jamie Glover will be returning to the third season as a series regular. Glover is best known for being cast as Harry Potter in the second cast of the West-End production of 'Harry Potter and the Cursed Child' in 2017. Glover plays the role of Agatha Raisin's love interest, James Lacey. James is Agatha's neighbor with whom she has an on-and-off relationship.

Katy Wix 

Katy Wix is a Welsh actress and comedian whose acting credits include 'Torchwood' and 'Sherlock'. She plays the role of Gemma Simpson who is Agatha's housekeeper and friend. She loyally helps Agatha in her unorthodox investigations and is usually the voice of reason.

Mathew Horne 

Mathew Horne is an English actor and comedian who is best known for his role in 'Gavin & Stacey'. He plays the role of Roy Silver, Agatha's former assistant who helps her with background research and often joins in with her for her brainstorming sessions.

Also returning to Season 3 are Agatha’s Cotswold friends. This includes Sarah Bloxby (Lucy Liemann) and Mrs. Boggle (Marcia Warren). Sir Charles Fraith, portrayed by Jason Merrells will also be returning. 


The show's executive producers include Barry Ryan ('Super Sleuths'), Michele Buck ('Midsomer Murders', 'The White Princess'), David Walton ('Revisiting Brideshead'), and Kathleen Hutchison ('Eastenders', 'Holby City').

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