Kowalik's original co-stars, Alvarez and Kulish, have already departed the production.
The 2009 Tony Award-winning Best Musical currently stars Kowalik, Michael Dameski, Alex Ko, Liam Redhead and Dayton Tavares, who alternate in the role of Billy, with Kate Hennig as Mrs. Wilkinson, Philip Whitchurch as Dad, Carole Shelley as Grandma, Will Chase as Tony and Trevor Braun and Jake Evan Schwencke as Michael.
Billy Elliot the Musical, according to press notes, is the "joyous celebration of one boy's journey to make his dreams come true. Set in a small town, the story follows Billy as he stumbles out of the boxing ring and into a ballet class, discovering a passion that takes him by surprise, and takes his whole family on an incredibly uplifting adventure."
The musical features music by Elton John, book and lyrics by Lee Hall, choreography by Peter Darling and direction by Stephen Daldry. The production has scenic design by Ian MacNeil, costume design by Nicky Gillibrand, lighting design by Rick Fisher and sound design by Paul Arditti. Musical supervision and orchestrations are by Martin Koch.
Billy Elliot the Musical is produced by Tim Bevan, Eric Fellner, Jon Finn and Sally Greene. Angela Morrison and David Furnish are executive producers.
For more information visit www.BillyElliotBroadway.com.