The cast includes Alfie Boe as Jean Valjean, Nick Jonas as Marius, Norm Lewis as Javert, Matt Lucas as Thénardier, Lea Salonga as Fantine, Jenny Galloway as Madame Thénardier and Katie Hall as Cosette.

Cameron Mackintosh's production of Les Miserables is written by Alain Boublil and Claude-Michel Schönberg and is based on the novel by Victor Hugo. It has music by Claude-Michel Schönberg, lyrics by Herbert Kretzmer and original French text by Alain Boublil and Jean-Marc Natel and additional material by James Fenton. The original London 1985 production of Les Miz was adapted and directed by Nunn and Caird. The new 25th anniversary production and the O2 Concert are directed by Laurence Connor and James Powell and designed by Matt Kinley.

As previously reported, the concert will air on PBS stations around the country March 6 at 7 PM ET; check local listings.

Read Playbill.com's recent interview with producer Mackintosh on the topic of the new 25th anniversary production of Les Miz.