The musical will begin performances Oct. 3 prior to an official opening Oct. 8 at London's Greenwich Theatre, for a limited run of only 14 performances through Oct. 18.

Doyle is currently starring as Fiyero in the U.K. tour of Wicked. Other recent credits include Link Larkin in Hairspray (U.K. tour) and Troy in High School Musical.

Fines has apppared in Lift (Soho Theatre), Avenue Q (U.K. tour) and The Sound of Music (U.K. tour).

Hartshorne has appeared in the premiere of the new musical The Prodigals (Belgrade Theatre, Coventry) and The History Boys (National Theatre).

Khodabukus has been seen in I Can’t Sing (London Palladium), Dirty Dancing (U.K. tour) and La Cage aux Folles (Playhouse Theatre). Jordan-Mills played Billy in the 2013 revival of Taboo (Brixton Clubhouse), and most recently played Nick Piazza in Fame (U.K. tour).

The musical revolves around a fictitious boy-band on the last night of their "Raise the Praise" tour. The Boyz are five all-singing, all-dancing heartthrobs – Matthew, Mark, Luke, Juan and Abraham – trying to save the world one screaming fan at a time. It has a book by Kevin Del Aguila, and music and lyrics by Gary Adler and Michael Patrick Walker. It is conceived by Marc Kessler and Ken Davenport, and is presented by Paul Taylor-Mills Ltd by arrangement with R&H Theatricals Europe. Casting is by Will Burton.

It is directed by Steven Dexter, with choreography by Ewan Jones and musical direction by Mark Crossland.

To book tickets, contact the box office on 020 8858 7755 or visit greenwichtheatre.org.uk.