All three actresses portraying the Darrow sisters, Addie (Lola Blue), Keedie (Georgia de Gidlow) and Nina (Cait Hamilton) are all neurodivergent. Author Elle McNicoll described Caitlin Hamilton as "our undercover neurodivergent" as her character Nina is not known to be autistic or have any condition that falls under the definition.
Miss Murphy's first name is Greta.
Frank, Maggie Fraser, Elinor Fraser and Adam Quinn are all original characters created for the television series.
The characters Keedie and Nina Darrow are twins.
Based on the best-selling debut novel A Kind Of Spark by neurodivergent author Elle McNicoll.