Both director Jarl Friis Mikkelsen and lead actor Peter Frödin are judges in The Danish talent show "Denmark's Got Talent".
The main actors Peter Frödin, Anders W. Berthelsen and director Jarl Friis-Mikkelsen all starred in "Stjernerne på slottet" together.
Peter Frödin is godfather to co-star Roberta Hilarius Reichhardt, being a longtime collaborator with her mother Line Knutzon.
Grethe's phone calls to her son are a reference to the radio sketches Peter Frödin did as Det Brune Punktum in 1998 called "Skyld Med Skyld På".