Allan Bohlin

as Willner

as Second-in-command

as Barrister Robertsson

as Ulf

as Arvid Zinder Jr.

as Göran Klasson

as Löjtnant Champlatreux

as Björn Harring

as Henrik Thegel

as Gösta Dellander

as Peter Kullby

as Patrik Bergman

as John Sundin

as Gunnar Lundgren

as Erik Berner

as Erik Bruhn

as Rölling

as Captain

as Lt. Nils Tjäder

as Bergström's son

as Bertil, Georg's friend (uncredited)

as Ship's Crew (uncredited)