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In page The Secret Adversary:

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Agatha Christie’s The Secret Adversary was presented for the stage for the first time in 2015 as a Watermill Theatre production, adapted from the Christie novel by Sarah Punshon and Johann Hari for a company of seven actors. A play in two acts, it was described in the publicity as being "shot through with fast-paced action, comedy, live music and a dash of romance". The live music was performed by the cast. Tuppence was played by Emerald O’Hanrahan, and Tommy by Garmon Rhys. It opened and ran at The Watermill Theatre, West Berkshire Playhouse from Thursday 12 February to Saturday 21 March, and then toured until Saturday 9 May, ending its run at the Rose Theatre, Kingston.[citation needed]