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