Julie Graham (Rhona Kelly) & Anne Kidd (Cora McLean) also worked together on Retribution (2016) as Moira Douglas & Meredith respectively.
Saskia Reeves (Freya Galdie) & Jamie Michie (Lowrie) also worked together on Poster Child (2013) as Laura Marsden & Gary Webb respectively.
Douglas Henshall (DI Jimmy Perez) & Jack Greenlees (Craig Cooper) also worked together on In Plain Sight (2016) as Sergeant William Muncie & DS McLeod respectively.
Doug Henshall and Jack Greenless both appeared in the mini-series In Plain Sight (2016) together.