John Light, who plays recurring character Hercule Flambeau in Father Brown (2013), joins Nancy Carroll in her new show. In Father Brown Nancy Carroll plays Lady Felicia.
The "cheesy" song playing at the beginning and end of this episode is Herb Alpert's "This guy's in love with you" (1968, song by Burt Bacharach).
John Light also played a multiple murderer in the fairly recent Maigret series starring Rowan Atkinson.
So it seems that every time he goes to France he just can't stop himself doing it.
So it seems that every time he goes to France he just can't stop himself doing it.