According to a report in the U.K.'s Daily Mail, he will be part of a troupe of 40 dancers to star in the show (although, says the Mail, "His routine won't be as strenuous as it once was.")
The show will begin performances Sept. 1 at the London Palladium for an eight-week season.
The show will also star Former Girls Aloud singer Nadine Coyle, who will play goddess Erin.
Further details are still to be announced. Tickets are not yet on sale.