Sofia Wylie as Agatha

Sophia Anne Caruso as Sophie

Kerry Washington as Professor Dovey

Charlize Theron as Lady Lesso

Laurence Fishburne as School Master

Jamie Flatters as Tedros

Earl Cave as Hort

Holly Sturton as Beatrix

Kit Young as Rafal / Rhian

Freya Parks as Hester

Scaredy Kat as Gregor

Cate Blanchett as The Storian (voice)

Liam Woon as Footman

Rachel Bloom as Honora

Rob Delaney as Stefan

Sandra Yaw as Callis

Denis Coleman as Bully

Mark Charles as Eric

Ella Hehir as Young Sophie

Mahli Perry as Young Agatha

Stephanie Siadatan as Vanessa

Adam Ray as Town Tough

Patti LuPone as Mrs. Deauville

Abigail Stones as Leonora

Malik Ibheis as Shadow Creature / Wolf Guard

Olivia Booth-Ford as Cayla

Callum Henson as Wolf Guard

Joelle as Joelle

Emma Lau as Kiko

Briony Scarlett as Reena

Rosie Graham as Millicent

Chinenye Ezeudu as Chinen

Petra Hajduk as Fairy

Naomi Weijand as Fairy

Louis McMiller as Fairy

Ayo Jordan as Fairy

Demi Isaac Oviawe as Anadil

Kaitlyn Akinpelumi as Dot

Harvey Scrimshaw as Harvid

Myles Kamwendo as Nicholas

Ali Khan as Chaddick

Oliver Watson as Tristan

Misia Butler as Tarquin

John MacDonald as Cyclops

George Coppen as Sweet Cupid

Steven Calvert as Evil Cupid

Mark Heap as Professor Manley

Michelle Yeoh as Professor Anemone

Peter Serafinowicz as Yuba

Shanti Deen-Ellis as Wish Girl

Ben Aycrigg as Reaper