Alexandra Roach

as Jenna Lazarus

as Ffion Jenkins

as Abby Aysgarth

as Maggie

as (voice)

as Amanda

as Cat Donato

as Narrator

as Zoe Sterling

as Mermaid (voice)

as Jess Benson

as Laura

as Ms. Foster

as Becca

as Meg

as Rhian

as Steph

as Doreena

as DS Joy Freers

as Winifred Holtby

as DS Anne Hopkins

as Mae Rose Cottage

as Helen

as Nina

as Hester Barrow

as Girl

as Julz

as Do

as Chloe

as Becky

as Molly Monks

as Countess Nordston

as Helene

as Young Margaret Thatcher

as Carrie

as Bethan Miller

as Constance Kent

as Sasha

as Stenographer

as Nina Ward