Adolf Jahr

Allan Linde / Fritjof Karlsson

Karin Nordgren

Sonja Brink

Gösta Cederlund

Carlos Haller

Marianne Aminoff

Madeleine Haller

Stig Järrel

Professor Petréus

Carl Hagman

B.Å.G. Jansson

Einar Axelsson

Film director Tallén

Rune Carlsten

Max

Olof Widgren

Louis

Åke Grönberg

Alling

Bror Bügler

Borg

Georg Funkquist

Anton

Ernst Brunman

Konradsson

Carl-Gunnar Wingård

Hjalte

Ruth Stevens

Gina

Agda Helin

Woman at the exposition

Ragnar Widestedt

Police officer

Torsten Hillberg

Member of the spy network

Åke Claesson

Ship's captain

Bellan Roos

House maid on the roof

Ruth Weijden

Woman selling flowers

Åke Engfeldt

Journalist

Nils Johannisson

Maitre d'

Karl-Arne Bergman

Steward

Georg Fernquist

Coat check

Börje Mellvig

Waiter

Harald Svensson

Man at the restaurant

Rolf Botvid

Belle's lover

Karl Erik Flens

Member of crew in the film studio

Gustaf Hiort af Ornäs

Film photographer

Vanja Dahlgren

Script supervisor

Birger Lensander

Film extra