The 7:30 PM concert, held at the New York Society for Ethical Culture (also the beneficiary of the evening), is staged by Reasons to Be Pretty assistant director Ilana Becker. Petkoff (Happiness, Fiddler on the Roof, Spamalot) stars in the duplicitous title role with Moriber (Follies, The Wild Party) as Emma Carew and Rosen as Lucy Harris.

Cast members also include Richard Binder (The People Vs. Mona) as Gabriel John Utterson, Timothy Jerome (Grand Hotel, Tarzan) as Sir Danvers Carew, Marci Reid (Kiss Me, Kate) as Nellie, Brandon Ruckdashel (Ascension) as Spider and Tony Wolf (The Action Room) as Sir Simon Stride.

The Jekyll & Hyde ensemble features Jane Caplow, Stephanie Carnright, Huling Foster, James Kidd, Jason Maniscalco, Jessica Olsen, Cesar Rospigliosi, Sal Sabella, Doug Shapiro, Stacy Lee Tilton and Kathryn Wieckhorst.

A 14-piece orchestra performs the Frank Wildhorn score; the musical feautres book and lyrics by Leslie Bricusse. The benefit performance includes the songs "Girls of the Night" and "Bring on the Men," which were cut for the musical's Broadway bow in 1997. Songs included in the pop tuner are "This Is the Moment," "Someone Like You," "A New Life," "Alive," "Take Me As I Am," "Once Upon a Dream," "In His Eyes" and "Dangerous Game."

The concert is presented by SAW Theatricals/Sarah Melissa Rotker in association with Deborah Blumenthal, Stephanie Leaf and Phillip Pallitto.

Tickets, priced $15-$20, are available by visiting Ovationtix. The New York Society for Ethical Culture is located at 2 West 64th Street in Manhattan.