Laura Benanti as Elsa Schraeder, Stephen Moyer as Captain Von Trapp, Christian Borle as Max Detweiler Photo

From: Exclusive Photo Flash: The Hills Are Alive! Inside THE SOUND OF MUSIC's Dress Rehearsal with Carrie Underwood, Stephen Moyer & More

The hills are alive- or they will be by tomorrow night when NBC airs its live television special of The Sound of Music (8 PM ET). Theatre fans everywhere are counting down the hours until the event, and to hold you over, BroadwayWorld brings you exclusive photos from the cast's dress rehearsal. Get a first look at the cast in action below!