The show will be produced by Lythgoe Family Productions, made up of Nigel, Bonnie and Kris Lythgoe, who are responsible for the hit reality series "So You Think You Can Dance" and "American Idol." Magic Pictures International and Jason Haigh-Ellery are co-producers.

Bonnie Lythgoe will direct. In addition to Mathers ("Leave It to Beaver," Hairspray) as Baron Hardup, Warren (Little Shop of Horrors, Big River) as the Fairy Godmother and Stroma ("Harry Potter and the Half Blood Prince") as Prince Charming, the cast that will feature Benny Harris as Buttons, Eddie Driscoll and Mark Edgar Stephens as stepsisters Cowell and Seacrest, and feature a guest appearance by Blitzen, the white pony.

"Dancing with the Stars" alum Mark Ballas will choreograph, and Ed Alonzo will provide magic.

The role of Cinderella is being cast through an "Idol"-style, months-long audition process. Celebrity judges Kara DioGuardi, Mary Murphy and Michael Johns have chosen 30 final candidates from 700 initial auditioners. The final Cinderella will be selected Oct. 5 by a panel including Stroma, Bonnie Lythgoe and Neil Patrick Harris.

"This wild, wacky and interactive holiday event," according to the producers, will feature modern-day pop hits, including Kelly Clarkson's "Breakaway," Michael Buble's "Just Haven't Met You Yet," and Jennifer Lopez's "Let's Get Loud." El Portal Theatre is located at 5268 Lankershim Boulevard in Hollywood. For tickets ($45 for adults, $25 for children), call (818) 508-4200 or visit elportaltheatre.com.