En sjöman i frack

Marianne Aminoff as Madeleine Haller Bror Bügler as Borg Georg Funkquist as Anton Ernst Brunman as Konradsson Åke Claesson as Ship's captain Ruth Weijden as Woman selling flowers Börje Mellvig as Waiter Birger Lensander as Film extra Carl-Gunnar Wingård as Hjalte Adolf Jahr as Allan Linde / Fritjof Karlsson Carl Hagman as B.Å.G. Jansson Einar Axelsson as Film director Tallén Rune Carlsten as Max Olof Widgren as Louis Ruth Stevens as Gina Harald Svensson as Man at the restaurant Gösta Cederlund as Carlos Haller Åke Grönberg as Alling Agda Helin as Woman at the exposition Georg Fernquist as Coat check Rolf Botvid as Belle's lover Torsten Hillberg as Member of the spy network Bellan Roos as House maid on the roof Åke Engfeldt as Journalist Karin Nordgren as Sonja Brink Stig Järrel as Professor Petréus Ragnar Widestedt as Police officer

Ragnar Arvedson Writer, Director Hilmer Ekdahl Director of Photography Rolf Husberg Editor Alva Lundin Title Graphics Arthur Spjuth Production Manager, Production Design Bibi Lindström Production Design Börje Larsson Writer