Anton Birk Larsen is a recurring character in the first season. He is played by guest star Kasper Leth Hansen. He is the son of Theis Birk Larsen and Pernille Birk Larsen. The family is devastated when his sister Nanna Birk Larsen is murdered. He also has an older brother Emil Birk Larsen. Anton has red hair like his mother while his brother has brown hair.