A radio reporter receives phone calls from a serial killer who wants to talk about his crimes. George Cragge: Warren Clarke. Controller, Radio 2: Stephen Fry. Geoffrey: Richard Griffiths. Dominic: Rik Mayall. Lord Tone: Richard Wilson. Controller, Radio 4: John Bird. DCI Jefferson: Alun Armstrong. Madame Sin: Siobhan Redmond. Hercules: John Sessions. Rachel: Letitia Tone.