Melodin från Gamla Stan

Nils Poppe

Nisse Karlsson, musician

Carl Reinholdz

Långa Kalle

Harry Brandelius

Harry Bergström

Solveig Hedengran

Elsa

Emil Fjellström

Jakob Blomqvist

Gaby Stenberg

Gun

Gun Adler

Rutan

Gösta Cederlund

Mr. Carlton

Arne Lindblad

Rydman

Magnus Kesster

Werner

Ragnar Widestedt

Police Captain

Åke Grönberg

Andersson

Stellan Agerlo

Office boy

Carl Andersson

Police inspector's secretary

Arthur Fischer

Bartender at Gripsholm

Millan Fjellström

Older woman at Gröna Lund

Erik Frank

Accordion player

Ragnar Frisk

Man on the boat

Hjördis Gille

Mrs. Andersson

Gösta Gustafson

Mingler at fairground

Agda Helin

Mrs. Rydman

John Hilke

Arresting officer

Stellan Johansson

Boy at Rydman's office

Helge Karlsson

Officer on the boat