Baron Conrad Crusenhielm is hit in the head during a drunken brawl. Suffering from amnesia, he is mistaken for the lost sailor Karlsson and taken to the navy vessel Fylgia.

Åke Söderblom
as Cronrad Crusenhielm

Marianne Löfgren
as Cecilia Söderquist

Bojan Westin
as Margaretha Söderquist

Arthur Fischer
as Emil Blomgren

Allan Bohlin
as Second-in-command

Fritiof Billquist
as Göran Göransson

Egon Larsson
as Sjöberg

Bert Sorbon
as Kurre Karlsson

Edvin Adolphson
as Mateo Carotti

Elisaveta
as Lucretia Carotti