Information for Cinderella at Wyvern Theatre, Swindon (Panto). Poor Cinderella works night and day but dreams of a very different life and with an invitation to the royal ball it looks as if her wish may be granted. Will her Wicked Stepsisters succeed in ruining Cinderella's dreams of happiness or will her Fairy Godmother and loyal friend Buttons be able to thwart their devilish plans? Pop on your glad-rags and join us at the ball to find out!.