Guest Stars Neil Stuke as Dr. Haydock Joanna Lumley as Dolly Bantry Hannah Waddingham as Lola Brewster Charlotte Riley as Margot Bence Victoria Smurfit as Ella Blunt Caroline Quentin as Heather Badcock Hugh Bonneville as Insp. Hewitt Lindsay Duncan as Marina Gregg Jonathan Coyne as French Officer Brennan Brown as Hailey Preston Samuel Barnett as Sgt. Tiddler Don Gallagher as Man in Livery Will Young as Casey Croft Nigel Harman as Jason Rudd Martin Jarvis as Vincent Hogg Michele Dotrice as Mrs. Hubbard Olivia Darnley as Cherry Baker Anna Andresen as Maisie Cooper Gene Goodman as Louis Charles Isabella Parriss as Marie Thérèse Lois Jones as Primrose Dixon
