Günther Simon as Ernst Thälmann

Hans-Peter Minetti as Fiete Jansen

Erich Franz as Arthur Vierbreiter

Erika Dunkelmann as Martha Vierbreiter

Johannes Arpe as Höhn

Raimund Schelcher as Krischan Daik

Karla Runkehl as Änne Harms

Gerhard Bienert as Otto Kramer

Robert Trösch as Kuddel Riemöller

Wolf Kaiser as Major Zinker

Werner Peters as Hauptmann Quadde

Martin Flörchinger as Karl Liebknecht

Steffie Spira as Clara Zetkin

Hans Flössel as Scheidemann

Walter E. Fuß as Karl Borns

Rudolf Klix as Willbrandt

Hans Klering as Asmussen

Gerhard Lau as Hein Heber

Sergei Kalinin as Sowjetischer Kapitän

Werner Pledath as Hauck

Karl Kendzia as Adolf Wahlkeit

Carla Hoffmann as Rosa Thälmann

Judith Harms as Rosa Luxemburg

Peter Schorn as Lenin

Karl Weber as Friedrich Ebert

Oswald Foerderer as Martin Bünse

Lotte Loebinger as Emma Kramer

Wilfried Ortmann as Hannes Harms

Hans-Edgar Stecher as Peter Brinkmann

Gerd Jäger as Josef Wissarionowitsch Stalin

Karl Eugen Lehnkering as Gustav Stresemann

Joe Münch-Harris as Gustav Noske

Arthur Pieck as Wilhelm Pieck

Hermann Dieckhoff as Dr. Matthies

Erich Brauer as Freese

Wilhelm Gröhl as Brandler

Otto Ernst Tickardt as Mahlmann

Willi Schwabe as Berber

Harry Preuß as Tarnow

Nico Turoff as Brandler

Ursula Röschmann as Frau Harms

Kurt Dunkelmann as Trenow

Günther Polensen as Bauer

Sonja Haacker as Freese

Wilhelm Otto Eckhardt as Puttkamp

Frithjof Rüde as General Vogt

Adolf Peter Hoffmann as Alland

Erich Mirek as Karl

Alfred Bohl as Walter

Karl Brenk as Hinnerk

Oskar Neugebauer as Eddi

Paul Funk as Paul

Leonid Ritter as Sowjetischer Matrose

Alexej Plesnizow as Vertreter der Petrograder Gewerkschaften

Charlotte Küter as Frau mit Revolver

Jean Brahn as Polizist

Walter Lendrich as Häftling

Willi Narloch as ZK-Vertreter

Harry Studt as Oberst im Geheimdienst

Axel Triebel as General

Harro ten Brook as General

Hans Fiebrandt as Frontsoldat

Wilhelm Hinrich Holtz as Geschäftsführer im Kaiserhof

Wolf von Beneckendorff as Russischer Emmigrant

Ludwig Sachs as Spitzel

Dorothea Thiesing as Gemüsefrau

Friedrich Gnaß as Hauswirt

Rudolf Fleck as Gefängniswärter

Kurt Sperling as Gewehrzähler

Eberhard Kratz as Reichswehroffizier

Hans Rose as Erster Arbeiter

Carl Lange as Zweiter Arbeiter

Hermann Stetza as Dritter Arbeiter