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