Although cast members in Wheaton Drama’s production of “Monty Python’s Spamalot” must sing, dance and act, they also must have a sense of humor, according to the show’s director, Peter Lemongelli.

Welcome to “Spamalot,” where Arthur is king, his knights aren’t what they seem and Fred isn’t dead — yet. There will come a time when Fred is finally thrown onto the pile of Bubonic Plague victims, ...