Sir Trevor McDonald presents this documentary which explores the extraordinary pursuit of serial killer Christopher Halliwell by detective Steve Fulcher.
| Actor | Role |
|---|---|
 Trevor McDonaldSelf - Presenter | Self - Presenter |
| JJon HouseStephen Fulcher | Stephen Fulcher |
| CColin AdrianChristopher Halliwell | Christopher Halliwell |
| NNyna GreenSian O'Callaghan | Sian O'Callaghan |
| SSamantha PhelpsDeborah Peach | Deborah Peach |
| RRiley JonesPC Danny Jones | PC Danny Jones |