Ruth Wilkins (Mary Peach), a local Fulchester doctor has brought a private prosecution against two pop singers, John Barnard (Paul Freeman) and Julie Gilmour (Geraldine James), who are charged with publishing a blasphemous libel, commonly known as blasphemy. <br />Richard Caldicot returns as the somewhat acerbic Justice Rider. Michael Denison, best known for his appearance in "The Importance of Being Earnest" stars as the defence counsel. Geraldine James has gone on to a prolific film and television career, but is known for her role in "The Jewel in the Crown". Nicholas Le Provost (Tony Hodgson) may be recognised for his role in "The Ghosts of Motley Hall" amongst other roles. Mary Peach (Dr Wilkins) was known as appearing in the Patrick Troughton Doctor Who adventure "The Enemy of the World", the episodes of which were lost for almost 50 years and were rediscovered in 2013.
