The famous author Mark Storm's publisher is unhappy with his books and asks him to write books in a more popular genre, crime for example. When Mark Storm comes to his apartment, he finds a burglar, Kurre. He notices that they have a physical similarity and they change identity, which makes it possible for Storm to make empirical studies in the world of crime.
Edvin Adolphson
Anne-Margrethe Björlin
Naemi Briese
Carl Hagman
Carl-Gunnar Wingård
Åke Claesson
Marianne Löfgren
Hilding Gavle
Ragnar Widestedt
Agda Helin
Carl Deurell
David Erikson
Sture Baude
Tom Walter
Harry Ahlin
John Melin
Siegfried Fischer
Wiktor Andersson
John Norrman
Artur Cederborgh
John Starck
Wilma Malmlöf
John Elfström
Robert Ryberg
Carl Ericson
Margareta Fahlén
Olle Janson
Greta Tegnér
Arne Lindblad
Keith Hårleman
Paul Hagman
Nils Nordståhl
Gunnel Wadner