Matt Cardle, Laura Pitt-Pulford, Natasha J Barnes and Daniel Boys are to star in Falsettos at the Other Palace in London.
They will be joined by Oliver Savile and Gemma Knight-Jones in the show, which is written by William Finn and James Lapine.
It runs from August 30 to November 23, with press night on September 5.
It is directed and choreographed by Tara Overfield-Wilkinson, with design by PJ McEvoy, lighting by Nic Farman, sound by Chris Whybrow and musical direction by Richard John.
It is produced by Selladoor Worldwide.