Guest Stars Burn Gorman as Jacko Argyle Gugu Mbatha-Raw as Tina Argyle Andrea Lowe as Maureen Reece Shearsmith as Insp. Huish Pippa Haywood as Mrs. Price Jane Seymour as Rachel Argyle Stephanie Leonidas as Hester Argyle Richard Armitage as Philip Durrant Julian Rhind-Tutt as Dr. Arthur Calgary Tom Riley as Bobby Argyle Camille Coduri as Mrs. Lindsay Alison Steadman as Kirsten Lindstrom Juliet Stevenson as Gwenda Vaughn Denis Lawson as Leo Argyle Michael Feast as John Croker Bryan Dick as Micky Argyle Lisa Stansfield as Mary Durrant Carl Isherwood as Scientist James Hurran as Cyril Price