The film is based on a 2003 novel by the same name, written by Norwegian author Jostein Gaarder. The main character is the young boy Georg who one day finds a long letter from his deceased father. The letter tells, among other things, about the father's youthful love for the mysterious "orange girl" (appelsinpiken),and leaves a mystery for Georg to solve.

• Tradewind Pictures
• Helgeland Film
• Mikkel Bratt Silset
• Annie Dahr Nygaard
• Emilie K. Beck
• Harald Rosenstrøm
• Rebekka Karijord
• Jakob Schøyen Andersen
• Glenn Erland Tosterud
• Johannes Piene Gundersen