Bella Ramsey Mildred Hubble Actor Clare Higgins Miss Cackle Actor Raquel Cassidy Miss Hardbroom Actor Wendy Craig Miss Bat Actor Nicola Stephenson Ms Hubble Actor Kacey Ainsworth Miss Gullet Actor Meibh Campbell Maud Spellbody Actor Tamara Smart Enid Nightshade Actor Lydia Page Actor Jenny Richardson Actor Miriam Petche Actor Shauna Shim Actor Megan Hughes Actor Ynez Williams Actor Mina Anwar Actor Dagny Rollins Actor Kelsey Calladine-Smith Actor Zita Sattar Actor Annette Hannah Actor Philip Martin Brown Actor Marcus Wilson Executive Producer Lucy Martin Producer Emma Reeves Writer Jill Murphy Writer