Schoolgirl Joanna Barnes, a member of a religious cult, is discovered to be having an affair with the married leader of the group, Kenneth Trant. When confronted about it, he and the other leaders abduct her and the police reluctantly call in criminal psychologist Fitz to help find her. When Trant's wife and sister discover that Joanna is pregnant they embark upon a vendetta against her that ends in attempted murder.
| Name | Type | Role | |
|---|---|---|---|
| Ted Whitehead | Writer | ||
| Jimmy McGovern | Writer | ||
| Julian Jarrold | Director | ||
| Jim Carter | Actor | Kenneth Trant | |
| Nick Fry | Actor | Doctor | |
| Roger Sloman | Actor | Mr Barnes | |
| Maureen O'Brien | Actor | Virginia Trant | |
| Emma Cunniffe | Actor | Sarah Jennings | |
| Geraldine Somerville | Actor | Penhaligon | |
| Samantha Morton | Actor | Joanne Barnes | |
| Nicholas Blane | Actor | Father O'Ryan | |
| Ellie Haddington | Actor | Mrs Barnes | |
| James Fleet | Actor | Michael Trant | |
| Andrew Abrahams | Actor | Police Officer | |
| Colin Tierney | Actor | Harriman | |
| Cherith Mellor | Actor | Norma Trant | |
| Wilbert Johnson | Actor | Skelton | |
| Kieran O'Brien | Actor | Mark Fitzgerald | |
| Darren Tighe | Actor | Dean Saunders | |
| Lottie Ward | Actor | Nurse | |
| Lorcan Cranitch | Actor | Beck | |
| Robbie Coltrane | Actor | Fitz | |
| Kelvin Fletcher | Actor | Boy | |
| Tess Thomson | Actor | Kate Fitzgerald | |
| Samia Longchambon | Actor | Rosie | |
| Jeffrey Longmore | Actor | Local PC | |
| Ricky Tomlinson | Actor | Wise | |
| Barbara Flynn | Actor | Judith | |
| Rosemary Chamney | Actor | School Secretary | |
| Doc O'Brien | Actor | Bus Driver |