The evil Prince Heinrich (Rowan Gallagher, center) is captured by members of the Monstrous Regiment (Jacq Babb, Ali Kidder-Mostrom, Steven Sterne, L-R) in the stage adaptation of Terry Pratchett’s “Monstrous Regiment” adapted by Christopher Hainsworth, directed by Christopher Kidder-Mostrom No playing at the Isaac Studio Theatre, produced by Latitude Theatre.