What is the running time for 'Cinderella' at Cliffs Pavilion, Southend-on-Sea Cinderella Sat 13th December 2025 - Sun 4th January 2026 The running time for Cinderella will be confirmed once the production opens. Based on prior seasons, the performance is anticipated to last approximately 2 to 2.5 hours, including an interval. This page and the show listing will be updated with the official running time as soon as it becomes available!