Dominic Cooper returns to the stage this year to play debauched 17th Century rake the Earl of Rochester in The Libertine . This sexually charged masterpiece by award-winning playwright Stephen Jeffreys will play a limited run as part of the 2016 summer season at Bath Theatre Royal from 31 August to 17 September prior to the West End’s Theatre Royal Haymarket from 22 September to 3 December with opening night for press on 27 September.