Really fun lesson I´ve been doing for my afterschool classes. You can also check out my lessons beforehand that build up to the final project - a theatre portfolio.~ (free ppt download and templates)
http://mrsbaiasclassroom.blogspot.kr/2014/07/update-my-little-theaspians-are-amazing.html

Also a great idea to do during the English festival (especially good for students who
aren´t performing or don´t have big roles)