Daryl Dixon actress Clémence Poésy to star in BBC and CBS series King and Conqueror

Poésy portrayed Isabelle in The Walking Dead spinoff.
Chanel: Photocall - Paris Fashion Week - Womenswear Spring-Summer 2025
Chanel: Photocall - Paris Fashion Week - Womenswear Spring-Summer 2025 / Marc Piasecki/GettyImages
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Actress Clémence Poésy joined The Walking Dead universe in her role as Isabelle in Daryl Dixon - The Book of Carol. She is one of the first people Daryl (Norman Reedus) meets upon his arrival in France. Another role she is well known for is that of Fleur Delacour in three of the Harry Potter films. Next, she will be seen in the BBC and CBS historical drama King and Conqueror.

Written by Michael Robert Johnson, known for Sherlock Holmes and The Frankenstein Chronicles, the series was created and executive produced by Michael Robert Johnson, with the first episode directed by Baltasar Kormákur (Trapped, Everest, Adrift). Filming for the project began in Iceland in March 2024 and concluded in July. The series will air on BBC One and BBC iPlayer in the UK, with Paramount Global Content Distribution will handle worldwide distribution.

The story tells of Harold of Wessex and William of Normandy, two men destined to meet at the Battle of Hastings in 1066. The series features a clash that defined the future of a country for thousands of years, which stretched decades through a pair of interconnected family dynasties. Two allies with no design on the British throne were forced by circumstance and personal obsession into a war to possess its crown.

The eight-part series stars James Norton (Little Women, Mr. Jones, Happy Valley) as Harold, Earl of Wessex, and Nikolaj Coster-Waldau (Game of Thrones, Mama, Oblivion) as William, Duke of Normandy.
Coster-Waldau will direct an episode and executive produce along with Norton.

Cast of King and Conqueror

  • Emily Beecham - Edith Swan-neck
  • Clémence Poésy - Matilda of Flanders
  • Eddie Marsan - King Edward
  • Juliet Stevenson - Lady Emma
  • Jean-Marc Barr - King Henry
  • Luther Ford - Tostig
  • Geoff Bell - Godwin
  • Elliott Cowan - Sweyn
  • Bo Bragason - Queen Gunhild
  • Bjarne Henriksen - Earl Siward
  • Olivier Masucci - Baldwin
  • Clare Holman - Gytha.

Additional cast includes Elander Moore as Morcar, Indy Lewis as Margaret, Jason Forbes as Thane Thomas, Ingvar Sigurdsson as Fitzosbern, Ines Asserson as Judith, Sveinn Ólafur Gunnarsson as Hardrada and Léo Legrand as Odo.

Clémence Poésy other roles

French actress Clémence Poésy's first English speaking role was that of Mary, Queen of Scots in the BBC mini-series Gunpowder, Treason, & Plot (2004). She won the 2005 Golden FIPA for actress in a TV Series and Serial for that role.

She first portrayed Fleur Delacour in Harry Potter and the Goblet of Fire in 2005 and reprised the role in both Harry Potter and the Deathly Hallows movies. She starred with Colin Farrell and fellow Harry Potter stars Ralph Fiennes and Brendan Gleeson in the Academy Award-nominated In Burges in 2008.

She has also had roles in Gossip Girl, 127 Hours, Lullaby for Pi, and more. Her recent roles include the biographical drama, Resistance, with Jesse Eisenberg, and the sci-fi thriller Tenet which stars John David Washington and Robert Pattinson.

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Clémence Poésy as Isabelle, Norman Reedus as Daryl Dixon - The Walking Dead: Daryl Dixon _ Season 2, Episode 1 - Photo Credit: Emmanuel Guimier/AMC /

Poésy made Walking Dead history by portraying Isabelle, the woman who shared Daryl Dixon's (Norman Reedus) first on-screen kiss. She played this character in seasons 1 and 2 of The Walking Dead spinoff.

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Clémence Poésy and Tom Hiddleston in “The Essex Serpent,” premiering globally May 13, 2022 on Apple TV+. /

She has another TWDU tie by starring alongside Fear the Walking Dead actor Frank Dillane, Tom Hiddleston, and Claire Danes in the AppleTV+ mini-series The Essex Serpent.

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