Laura Fraser

as Cat (8 episodes)

as DI Bea Metcalf (6 episodes)

as Sally Hart (9 episodes)

as Anna Price (6 episodes)

as Lydia (voice)

as Prof. Sarah Gordon (12 episodes)

as Olivia Anderson

as Alison

as Martha

as Reader

as Self - Narrator (voice) (3 episodes)

as Mary

as DS Annie Redford (6 episodes)

as April Cleaver

as Juliet (4 episodes)

as Lydia Belworth (1 episode)

as Mrs. Darling/Julie Rose

as Female Professor (1 episode)

as Rose Hall

as Lydia Rodarte-Quayle (4 episodes)

as Hannah (1 episode)

as Eve Stone (8 episodes)

as Margaret Watson Watt

as Patricia Abbott (1 episode)

as Regan Black (13 episodes)