Allan Bohlin

as Ulf

as Bergström's son

as Björn Harring

as Erik Berner

as Göran Klasson

as Second-in-command

as Ship's Crew (uncredited)

as Rölling

as Löjtnant Champlatreux

as Lt. Nils Tjäder

as John Sundin

as Willner

as Gunnar Lundgren

as Captain

as Paul

as Arvid Zinder Jr.

as Erik Bruhn

as Bertil, Georg's friend (uncredited)

as Henrik Thegel

as Patrik Bergman

as Peter Kullby

as Barrister Robertsson

as Gösta Dellander