From 10/15/2016: Performers Brecken Farrel (15, Knoch), Addison Albert (18, Knoch), Elena Doyno (17, Allderdice), Mia Schmidtetter (17, Fox Chapel), Sabina May (17, Moon), and Nick Cortazzo (17, Baldwin) preview Pittsburgh Musical Theater’s production of Jekyll and Hyde, 10/20 through 10/23, Byham Theater.