Ben Miller, who plays Professor T, actually studied at Cambridge University prior to pursuing a career in comedy. By a bizarre coincidence, a comedy partner of his lived in the house which is used in the series as Adelaide's and Professor T's house.
According to the 'behind-the-scenes' specials, it's one of the few TV shows actually filmed, with official acknowledgment, in and about colleges and the city of Cambridge. Another is Grantchester (2014).
On Wednesday, 6th October 2021, ITV announced that they had commissioned a 6-episode second series of the crime drama. Filming on series two was scheduled to commence in Belgium and the UK in Spring 2022.
This is the fourth "Professor T" series. The original, Professor T. (2015), takes place in Belgium and follows Prof. Jasper Teerlinck. The second version, Prof T. (2016), takes place in France and follows Prof. Julien Tardieu. The third, Professor T. (2017), takes place in Cologne, Germany. The German Professor T is Jasper Thalheim and he teaches at the University of Cologne.
The Composer of the series (Hannes De Maeyer) also wrote the music for the original Belgian series.