Den allvarsamma leken

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

Otto Adelby

Roslin's Guest (uncredited)

Karl-Ewert Christenson

Roslin's Guest (uncredited)

Carl Deurell

Arvid's Father (uncredited)

Sven-Eric Gamble

Young Man at the Party (uncredited)