Kjell Bergqvist won a Kristallen award for "Best male actor in a television series" for his portrayal of Tom Stilton in season 1.
Season 1 is based on the novel of the same name as the series, written by husband & wife team, Cilla Börjlind and Rolf Börjlind. Season 2 is based on their novel "Den tredje rösten" (The Third Voice).
Season 1 alternates between the time lines of 1987 and 2011.
Kjell Wilhelmsen and Dag Malmberg also co-starred in another SVT production, 30° i februari (2012), which aired at the same time as season 1.