Geraldine Somerville

as Tonya

as Emily's Mother

as Lady Pressfield

as Lady McLeod

as Ruth Palmer

as Lady O

as Rebecca Logan

as Joyce Tennison

as Linda

as Samantha

as Miles' Mother

as Princess Antoinette

as Sarah Griffin

as Sophie

as Louisa, Countess of Manton

as Lady Jane Clark

as Lily Potter

as Lily Potter

as Lily Potter

as Fiona Douglas

as Sue

as Alethea Blackstone

as Lily Potter (archival footage)

as Lily Potter

as Daphne Du Maurier

as Alice Barrie

as Lily Potter

as Fiona Hewitt

as Lily Potter

as Asst. Commissioner Cynthia Kline

as Dr. Samantha Graham

as Self (uncredited)

as DS Michelle Tate

as Louisa Stockbridge

as Lily Potter

as Angela Coates

as Val McArdale

as Lady Emily Lennox

as Lady Emily Lennox

as Olivia

as Deborah Bennett

as Ruth MacDonald

as Lydia Hamilton

as Miss Julie

as Kate

as Ann Welch

as Saleswoman

as Juliet

as Jane 'Panhandle' Penhaligon

as Natalie's Boss

as Ann Welch

as Miss Julie

as Biddy Millican

as Pauline Weatherby

as Ruth

as Marie Cousins