Many people have grown up with
"The Sound of Music,"
but only one cast member in NBC's three-hour live version Thursday (Dec. 5) has grown up
Ariane Rinehart plays Liesl, the oldest of the von Trapp children. It's her third time appearing in a production of the musical; she previously played two of Liesl's younger sisters in productions at Stages St. Louis.
"It's been great to grow up through the family," Rinehart says, leaping into a room.
For some that would be a figure of speech, but Rinehart, a trained dancer, leaps as easily as she walks. She's at a dance studio in lower Manhattan, where the company rehearsed for a month before moving out to the Long Island set.
was one of the only outlets allowed into the rehearsal space.
Rinehart has played Marta and Brigitta in the past, and "the next stop is the captain," she says.
The special, which is a live performance of the Broadway play and not a remake of the Julie Andrews 1965 movie, stars
Carrie Underwood, Stephen Moyer, Audra McDonald, Christian Borle and
Rinehart, who's majoring in sociology and minoring in German at Columbia University, has even studied the play.
"I had a class on Austria last semester," she says. "I had to do a presentation on Austria and mine was 'The Sound of Music.' Everyone had to do research and oh my God, this family was fun to do."
Rinehart sees Liesl as "not yet a woman, but definitely not still a girl."
"The Sound of Music Live!" airs at 8 p.m. ET Thursday on NBC.