WICKED, the West End and Broadway musical phenomenon that tells the incredible untold story of the Witches of Oz, is delighted to announce that Amy Ross (Elphaba), Helen Woolf (Glinda), Aaron Sidwell (Fiyero), Steven Pinder (The Wizard and Doctor Dillamond), Kim Ismay (Madame Morrible), Emily Shaw (Nessarose), Iddon Jones (Boq) and Nikki Bentley (Standby for Elphaba) will lead the cast of the spectacular, critically acclaimed and multi record-breaking U.K. & Ireland Tour when it returns to Liverpool Empire from 7th to 31st March 2018.