In "Matilda The Musical," Christopher Sieber takes the stage as Miss Trunchbull, a headmistress determined to make the life of every student in the school as miserable as possible. Sieber is jolly fun, Trunchbull, well… not so much. How does he transform into the wicked character eight times a week? He invited Playbill backstage to find out!
SOURCE: YouTube at 03:13PM on May 2, 2016