Lieutenants Johnny Waller and Ingvar Lund have been appointed captains of two torpedo boats.
Olof Bergström
as John ''Johnny'' Waller, löjtnant
Ola Svensson
as Ingvar Lund, löjtnant
Kristina Adolphson
as Eva
Catrin Westerlund
as Aily
Evert Taube
as Himself
Per-Olof Ekvall
as Löjtnant Sandberg
Karl-Erik Forsgårdh
as Fänrik Birk
Jan von Zweigbergk
as Löjtnant Bergman
Lennart Lilja
as Berg, uppbördsstyrman
Hans Sackemark
as Olsson, uppbördsstyrman
Göte Holmberg
as Ström
Ragnar Sörman
as Sillen
