One morning Ruth Vang comes running out of the apartment, falls down the stairs and is left unconscious. In her apartment the body of the land lord, Otto Hagenberg is discovered. Helmer and Sigurdson search to uncover the killer.
Alf Nordvang
as Helmer
Anders Hatlo
as Sigurdson
Bente Børsum
as Ruth Vang
Arne Lendl
as Arne Vang
Jan Hårstad
as Bjørn Vang
Henrik Scheele
as Per Høøk
Bernhard Ramstad
as Advokat Bentvik
Odd Furøy
as Kontorist Modal
Frøydis Armand
as Vigdis Myrnes
Knut Hagenberg
as Erik Øksnes
Roy Bjørnstad
as William Hagenberg
Marianne Krogh
as Gudrun Bergheim
