Guest Stars Zita Sattar as Miss Tapioca Annette Hannah as Mabel Tapioca Billie Boullet as Fenella Feverfew Saoirse Addison as Isabella 'Izzy' Jones Luciana Akpobaro as Azura Moon Kelsey Calladine-Smith as Indigo Moon Karen Paullada as Miss Hempnettle Amelia Baldock as Joy Hardbroom Renée Castle as Adult Indigo Moon