*Warning: spoilers ahead for Sanditon seasons 1 & 2*

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UK fans have had a lengthy wait for season 3 of Sanditon - but finally, we're almost there. And as the first-look images indicate, it's set to be one hell of a final chapter, with "more grand parties, wise and outspoken women, and lovely friendships that stand the test of time and circumstances".

You can also expect "many surprises", including "astonishing new alliances, ghosts from the past, and all the complications of love and life".

So, without further ado, read on for everything you need to know about what's to come for the Sanditon cast in season 3.

Sanditon season 3 release date: When will it air?

Rose Williams as Charlotte Heywood picnics with Ben Lloyd-Hughes as Alexander Colbourne in Sanditon
Rose Williams as Charlotte Heywood picnics with Ben Lloyd-Hughes as Alexander Colbourne in Sanditon. Joss Barratt

Sanditon season 3 arrives in the UK on Thursday 17th August on ITVX.

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The show was renewed for both a second and third season following solid campaigning from fans after the series was initially cancelled.

Sanditon season 3 cast: Who stars?

Season 3 will see returning familiar faces and new characters alike. The full cast list is as follows.

  • Rose Williams as Charlotte Heywood
  • Crystal Clarke as Georgiana Lambe
  • Anne Reid as Lady Denham
  • Kris Marshall as Tom Parker
  • Kate Ashfield as Mary Parker
  • Jack Fox as Sir Edward Denham
  • Lily Sacofsky as Clara Brereton
  • Rosie Graham as Alison Heywood
  • Sophie Winkleman as Lady Susan
  • Ben Lloyd-Hughes as Alexander Colbourne
  • Alexander Vlahos as Charles Lockhart
  • Frank Blake as Captain Declan Fraser
  • Maxim Ays as Captain William Carter
  • Cal Brigden as Ralph Starling
  • Flora Mitchell as Leonora Colbourne
  • Eloise Webb as Augusta Markham
  • Emma Fielding as Lady Montrose
  • Alice Orr-Ewing as Lydia
  • Edward Davis as Lord Henry Montrose
  • James Bolam as Rowleigh Pryce
  • Liam Garrigan as Samuel Colbourne

Sanditon season 3 plot: What will happen?

Two characters in Sanditon holding hands and walking into a candlelit room
Sanditon season 3. Rob Youngson BritBox / ITV / Red Planet

"Charlotte returns to Sanditon with her fiancé in tow but is forced to come to terms with her unresolved feelings for Colbourne," reads the official synopsis.

"He, devastated, tries to move on and open his heart to another, but as they keep getting drawn together – can they keep on ignoring their feelings?

"Georgiana is horrified to discover a claim on her newfound inheritance. With the help of Samuel Colbourne, she battles in court to keep what is hers. The public attention and scrutiny sends her spiralling and she seems to be out of control.

"What she needs is a fiancé to send the circling fortune hunters away. What she gets is so much more.

"Edward, meanwhile, has promised Lady Denham he is truly reformed, but will Augusta Markham's fortune be too an irresistible a proposition?

"Lady Denham rediscovers an old flame from her youth, and together they back Tom's new plans for Sanditon – at the expense of his marriage with Mary (Kate Ashfield), and then she falls gravely ill...

"With weddings and failed engagements, will the Sanditon residents all find true love and happiness after all?"

Is there a trailer for Sanditon season 3?

There is! Masterpiece CBS released a trailer for the anticipated third season at the beginning of March and it promises to be a positively explosive final season.

Watch it below.

Check out more of our Drama coverage or visit our TV Guide and Streaming Guide to find out what's on.

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