Joanne Froggatt has been casted in new show The Secrets.
The 'Downton Abbey' actress will star alongside Ben Chaplin and 'Silent Witness' star Emilia Fox in an episode of the new drama series, which is made up of five standalone films that have been commissioned to support new writing talent.
The 33-year-old actress will appear in the first instalment of 'The Secrets' - made by Working Title TV for BBC One - which was written by Elinor Cook and tells the story of a man who is married to two women and is living a secret double life. However, his cheating is eventually exposed and the drama aims to explore whether monogamy is a realistic proposition.
All five films will be directed by BAFTA Award winner Dominic Savage, who also co-wrote the fourth episode with up-and-coming writer Nick Payne.
Nick also wrote the second episode, while the remaining two films were written by Sarah Solemani and Ben Ockrent.
Working Title's Juliette Howell said: "I'm thrilled Dominic has assembled such a stellar line up. It's hugely exciting to see so many of our finest actors bringing these original distinctive new voices to life on BBC One."
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