Inga Tidblad
Cathérine von Wismar
Holger Löwenadler
Carl Gustav von Wismar
Lauritz Falk
Lieutenant Rehusen
Erik Hell
Möllersten
Stig Järrel
Riddercrantz
Erik 'Bullen' Berglund
Tarnow, Russian
Hugo Björne
Adlerhjelm
Björn Berglund
Manderberg
Emil Fjellström
skipper Nordström, pilot
Frank Sundström
Gustav III
Wiktor Andersson
man at the Blue Gate Inn (uncredited)
Olga Appellöf
Archdeacon at Cathérine's musical soiree (uncredited)
Josua Bengtson
conspirator on board the ship (uncredited)
Ann-Margret Bergendahl
lady in von Wismar's park (uncredited)
