The Family Secret (Swedish: Familjens hemlighe) is a 1936 Swedish comedy film directed by Gustaf Molander and starring Olof Winnerstrand, Karin Swanström and Erik 'Bullen' Berglund.^[1] It is based on the 1903 French play The Secret of Polichinelle by Pierre Wolff, and a French adaptation was also produced the same year. The film premiered in Gothenburg in December 1936.

The film's sets were designed by the art director Arne Åkermark.

A middle-class family, planning an arranged marriage for their adult son with a wealthy heiress, are shocked to discover that not only is he already engaged, but his fiancée has already borne them a grandson who is three-year-old now.

• Olof Winnerstrand as Arvid Ekman
• Karin Swanström as Lillie Ekman
• Erik 'Bullen' Berglund as John Hessler
• Birgit Tengroth as Margit Berg
• Kotti Chave as Arne Ekman
• Hjördis Petterson as Ellen Winkler
• Gösta Bernhard as Olle
• Wiktor Andersson as Orderly
• Ingrid Borthen as Marianne Winkler, Ellen's daughter
• John Botvid as First mate
• Greta Ericson as Gullan, Margit's friend at work
• Jullan Jonsson as Emma, Hessler's housemaid
• Ka Nerell as Greta, child nurse
• Ruth Weijden as Maria, Ekman's housemaid

• Per Olov Qvist & Peter von Bagh. Guide to the Cinema of Sweden and Finland. Greenwood Publishing Group, 2000.

• The Family Secret at IMDb