Nicholas Rowe (Malcolm Rifkind), Alan Cox (Gordon Reece) and Roger Ashton-Griffiths (John Sergeant) all previously appeared in Young Sherlock Holmes (1985), in which they played Sherlock Holmes, James Watson and Sergeant Lestrade respectively.
Stars three different actors who have played 18th Century novelist Henry Fielding; Ian McDiarmid in City of Vice (2008), John Sessions in The History of Tom Jones, a Foundling (1997) and Nicholas Rowe in A Harlot's Progress (2006).
Throughout the film any time a telephone rang a soft electronic warble ring was used. Yet all telephones seen throughout the production are BT/GPO standard issue (of the day) Type 706's which had a mechanical bell ringer.