The Villa Carmella, the Clios family home, is actually the Chateau Diter near Grasse. The building has been the subject of court cases regarding its construction, with many neighbours claiming it was built illegally. A 2017 court case ordered its demolition, with the verdict being upheld by an appeal court in 2019.
On Friday, 3rd December 2021, Sky Television confirmed that the drama would not be returning for a fourth series.
This is the second time Lena Olin plays a character named Irina. In the TV show Alias (2001), she also played a mother called Irina.
Adrian Lester (Robert Carver) & Phil Davis (Jukes) also worked together in Undercover (2016) as Nick Johnson & Jimmy respectively.
Juliet Stevenson and Julia Stiles reunite in season 2 after having worked together on Mona Lisa Smile.