En sjöman i frack

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

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 Ragnar Arvedson Writer, Director