Rhythm Festival, held at Twinwood Arena, Clapham in Bedfordshire, provided the backdrop to the music event. Compére Mike Read made several announcements from the Rhythm Festival stage that made no sense and were in fact filmed for 'Midsomer Murders'.
John Nettles and Philip Davis previously worked together in the 1984 "Robin of Sherwood." Davis, as Prince John, makes Nettles' character "Acting Sheriff" of Nottingham.
John Lee Hooker wrote Dollhouse Blues that Suzi Quattro is singing, Tom Barnaby pretends to play John Lee Hookers "bang bang bang bang (boom boom boom)" in one scene.
Rupert Vansittart has played three different characters over the course of the series:
- Episode 12.1 The Dogleg Murders (2009) - Alistair Kingslake
- Episode 10.4 The Axeman Cometh (2007) - Desmond Harcourt
- Episode 5.1 Market for Murder (2002) - Selwyn Proctor