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