Mason will portray Marilynn, an aging prostitute who is "able to convince serial philandering Oliver (James Patrick Stuart) that his wife Pandora is his one, great love and he has to do anything he can to win her back," according to press notes. Composer Glen Roven stated, "I call this part the Grizabella part: one scene in the second act, one of the best songs, and you stop the show. We’re all thrilled Luba has joined our cast."

Directed by Gary Halvorson and Wayne Cilento, the production will play Theater St. Clements beginning Oct. 8 at 8 PM.

The cast will also include the previously announced Deidre Goodwin, James Patrick Stuart, Tom McGowan and Xanadu Tony nominee Kerry Butler.

Others newly announced for the production are Traci Blair, Cristy Candler, Mark Chmiel, Carolyn Doherty, Tina Johnson, Michael Ruocco and Matthew Schechter.

Pandora's Box features music and lyrics by Glen Roven and a book by Maria S. Schlatter. The musical is based on "Gazon Maudit," which featured a screenplay by Josiane Balasko.

The new musical, according to press notes, concerns "Pandora, a suburban housewife and her serial-philanderer husband Oliver, [who ] have their love and lives turned upside down the day that Mona, a Lesbian handy-woman walks through their door. In this raucous, contemporary sex farce, Mona and Oliver face off in a fight to win the greatest prize of all, the love of the beautiful Pandora."

Performance times are scheduled for Oct. 8 at 8 PM, Oct. 9 at 1 PM, Oct. 11 at 5 PM, Oct. 13 at 9 PM, Oct. 14 at 9 PM and Oct. 16 at 5 PM.

Theater St. Clements is located in Manhattan at 423 West 46th Street. Tickets are on sale now through pandorasboxthemusical.com or nymf.org.