Cast
- Abbey Flockton as Logical Flavia
- Tara Maeve Mcmahon as Precocious Flavia
- Annie Nuttall as Fragile Flavia
- Connor Adsett as Inspector Hewitt
- Connor Adsett as Gordon Ingleby
- Gillian Aylward as Ophelia de Luce
- Gillian Aylward as Ms. Aurelia
- Jaclyn Bumbala as Dieter
- Jaclyn Bumbala as Horace Bonepenny
- Jaclyn Bumbala as Young Bonepenny
- Meghan Burns as Dr. Kissing
- Meghan Burns as Ned Cropper
- Jeff Clement as Frank Pemberton
- Jeff Clement as Rupert Porson
- Rose Donoghue as Nialla (Mother Goose)
- Rose Donoghue as Mrs. Mullet
- Rose Donoghue as Man 1
- Madison Drever as Grace Ingleby
- Madison Drever as Mary Stoker
Crew
- Paul Griffin · Director
- Alan Bradley · Writer
- Annie Nuttall · Producer
- Roberta Maria Shalka · Producer