Sex and the City star Kim Cattrall and Dad's Army actor Toby Jones will star in the BBC's adaptation of Agatha Christie's The Witness For the Prosecution.
The two-part drama, which has been adapted by Sarah Phelps from the short story of the same name, will also star Bloodline actress Andrea Riseborough.
The murder mystery began filming in Liverpool today, reuniting the team behind And Then There Were None, which was watched by more than eight million people last Christmas.
Set in 1920s London, the 23-page short story starts with the murder of rich and glamorous Emily French, played by Cattrall.
All evidence points to Leonard Vole, played by Billy Howle, the heir to French's enormous fortune.
Riseborough with play Vole's chorus girl partner Romaine, while Jones will play John Mayhew, the solicitor tasked with defending him.
Monica Dolan and Four Weddings and a Funeral actor David Haig will also star in the production.
It will be directed by Julian Jarrold while Phelps will serve as an executive producer.