>> they transform me into the dubious miss trunchbull. >> and what can we expect from miss trunchbullain shower role in this musical? >> terror. >> terror. >> she's described in this book as a holy terrier. as terrifying as possible. >> how do you prepare for something like this? you're a father of young children door you know what i mean? >> i do. the thing is the script does a lot of the legwork for me. my job is to just keep people off balance. what is more terrifying than a massive woman who keeps you off balance. >> that's right. this is a bit of a challenge for you. you have children, so this might help. you're working with a lot of young children on the stage. what is s it like for you? >> it's wonderful. what i can say is they're extremely professional. professional and they're excellent at what they do, and so it's actually kind of easy to do the show every night in that i don't have to work too hard because they're given the commandment, this is a terrifying creature. so i just get to walk out on stage and be myself and smile and they go ah. >> are your kids scared? >> no. i