As previously announced, the production opens at the Harold Pinter Theatre on 13 November 2013 (previews from 26 October) and is booking to 25 January 2014.
Set against the fledgling rock 'n' roll scene of 50s Soho, the play, which won the 1996 Laurence Olivier Award for Best New Comedy, delves into the sleazy underworld and power games of London's "most infamous district".
The play marks Harry Potter star Rupert Grint's professional stage acting debut.
Colin Morgan (Skinny) is best known on television for playing the title role in the BBC's long running series, Merlin. His stage credits include Ariel in The Tempest at Shakespeare's Globe, Our Private Life at the Royal Court, All About My Mother at the Old Vic and the title role in Vernon God Little for the Young Vic.
Tom Rhys Harries (Silver Johnny) has previously been seen on stage in The History Boys at Sheffield Theatres and Torch Song Trilogy at the Menier Chocolate Factory. His television credits include Parade's End.
Mojo is designed by Ultz with lighting by Charles Balfour, music by Stephen Warbeck and sound by Simon Baker. It's produced in the West End by Sonia Friedman, who also produced Butterworth and Rickson's internationally-acclaimed Jerusalem.
Love Colin Morgan?
Check out our 2008 pre-Merlin interview with Colin Morgan, when he was returning to the breakthrough stage role in Vernon God Little which netted him a WhatsOnStage Award nomination for Newcomer of the Year. Has fame changed his views on favourite books, the best advice he's ever received and who he'd like to swap places with for a day? You tell us.