- Country: Sweden
- Genres: Drama
- Release: 1945-11-26
- Director: Rune Carlsten
- Writers: Hjalmar Söderberg , Lars Tessing , Rune Carlsten
- Language: Swedish
- Stars: Viveca Lindfors , John Ekman , Olof Widgren , Åke Claesson , Eva Dahlbeck , Gösta Cederlund , Josua Bengtson , Hjördis Petterson , Hugo Björne , Gunnar Sjöberg
- Runtime: 106 min
- Awards: N/A
- AKA: Den farlige leken (Norway) , Den allvarsamma leken (Sweden) , Vakava leikki (Finland) , Den allvarsamma leken
- Plot: Arvid share the love with a young woman named Lydia, but as is customary at the turn of the century, is not love enough for a fairy tale to come true. While Arvid struggling to create the basis for their existence, Lydia's thirst for the good life leads her to marrying an older wealthy man.
- IMDB:tt0037506
Den allvarsamma leken Cast · · · ALL
Rune Carlsten
Director
Viveca Lindfors
Lydia Stille
John Ekman
Anders Stille, hennes far
Olof Widgren
Arvid Stjärnblom
Åke Claesson
Roslin
Eva Dahlbeck
Dagmar Randel
Gösta Cederlund
Redaktör Markel
Josua Bengtson
Grosshandlar Randel
Hjördis Petterson
Hans hustru
Hugo Björne
Chefredaktör Doncker
Gunnar Sjöberg
Baron Freutiger
Ulf Palme
Ture Törne
Renée Björling
Ester Roslin
Karl-Ewert Christenson
Roslin's Guest (uncredited)
Carl Deurell
Arvid's Father (uncredited)
Sven-Eric Gamble
Young Man at the Party (uncredited)
Carl-Axel Hallgren
Singer at the Party (uncredited)
Gustaf Hedström
Randel's Guest (uncredited)
Hortensia Hedström
Randel's Guest (uncredited)
Gösta Holmström
Captain Linde (uncredited)
Sven Lindberg
Lovén (uncredited)
Birger Malmsten
Kaj Lidner (uncredited)
Yngve Nyqvist
Randel's Guest (uncredited)
Per Oscarsson
Filip Stille (Lydia's Brother) (uncredited)
Ruth Weijden
Augusta (Stille's Maid) (uncredited)
Inga-Lill Åhström
Guest at Doncker's Party (uncredited)