Dieter Eppler as Kapitän Günther Prien

Sabine Sesselmann as Ingeborg Prien

Joachim Fuchsberger as Oberleutnant Thomas Birkeneck

Harald Juhnke as Der Smut

Dieter Borsche as Pfarrer Kille

Olga Tschechowa as Fürstin

Horst Naumann as Leitender Ingenieur

Heinz Engelmann as Besatzungsmitglied

Michael Cramer as Besatzungsmitglied

Peter Carsten as Besatzungsmitglied

Matthias Fuchs as Jörg Christiansen

Joachim Mock as Kapitänleutnant Schopf

Ernst Reinhold as Leutnant Raufuss

Raidar Müller-Elmau as Leutnant Bluhm

Richard Häussler as Kommodore

Uta Hallant as Alwine Kille

Klaus Dahlen as Matrose

Heinz Engelmann as

Peter Herzog as

Waldemar Frahm as

Rolf Moebius as Stabschef

Harry Raymon as Richards

Eva Schreiber as

Emmerich Schrenk as Gefängnisdirektor

Werner Stock as Piontek

Rolf Weih as Admiralstaboffizier