The production will also close for three days from 18 June allowing the production to install a brand new surround sound system and enlarge the Queen's Theatre orchestra pit. The show will reopen on 23 June with a slightly larger band playing orchestrations from the show's 25th anniversary tour.
Liam Tamne, whose recent credits include Hair in the West End, Hairspray, Wicked and Departure Lounge will play Enjolras.
Les Miserables had its world premiere at the Barbican on 8 October 1985. Based on Victor Hugo's classic humanitarian novel set in 19th-century revolutionary France, the musical has a book by Alain Boublil, music by Claude-Michel Schonberg and lyrics by Herbert Kretzmer.
After its premiere at the Barbican, the landmark Royal Shakespeare Company production, adapted and directed by Trevor Nunn and John Caird and designed by John Napier, transferred, care of Cameron Mackintosh, to the West End’s Palace Theatre where it ran for 18 years before moving down the road on 3 April 2004 to the Queen’s.
Betwixt! tells the story of New York writer Bailey (Benedict Salter) and his flamboyant roommate Cooper (Steven Webb) who are catapulted into a strange enchanted world. Their arrival fulfils a prophecy telling of a brave hero and a great queen and they are tasked with searching out a fading daytime TV star who is the only hope for saving a pregnant princess from losing the throne. The musical promises "sitcom-styled dialogue and a toe-tapping score".
Webb's stage credits include Lakeboat and Prairie du Chien at the Arcola, Departure Lounge at Waterloo East, Alan Bennet’s The History Boys in the West End and on tour, Shit-Mix at Trafalgar Studios and the title role in Dick Whittington at the Lyric Hammersmith.
Ashleigh Gray, who plays Miranda, is best known for covering and playing Elphaba in Wicked at the Apollo Victoria. Her other credits include Taboo, Grease and the Notes From New York concert series. Benedict Salter makes his West End debut with the production.
Further casting is still to be announced.