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