Wolfgang Preiss as Oberst Claus Schenk Graf von Stauffenberg

Annemarie Düringer as Hildegard Klee

Robert Freitag as Hauptmann Lindner

Fritz Tillmann as General Henning von Tresckow

Werner Hinz as Generaloberst Ludwig Beck

Paul Esser as Generalfeldmarschall Erwin von Witzleben

Wolfgang Büttner as General der Infanterie Friedrich Olbricht

Hans Zesch-Ballot as Generalleutnant Erich Hoepner

Herbert Wilk as Oberst Albrecht Ritter Mertz von Quirnheim

Heinz Giese as Oberleutnant - Ordonnanz bei von Tresckow

Paul Bildt as Oberbürgermeister a.D. Dr. Carl Friedrich Goerdeler

Maximilian Schell as Mitglied des Kreisauer Kreises

Ernst Stahl-Nachbaur as Feldmarschall, Oberbefehlshaber einer Heeresgruppe

Siegfried Schürenberg as Generaloberst Friedrich Fromm

Werner Peters as Oberstleutnant H.

Claus Holm as Oberleutnant

Peter Mosbacher as Major Otto Ernst Remer

Herbert Stass as Willy

Ernst Schröder as SS-Obergruppenführer Ernst Kaltenbrunner

Arno Paulsen as Luftschutzwart Nessel

Edgar Ott as Adjudant

Wolfgang Völz as

Karl Klüsner as

Ernst Lothar as

Erich Schellow as

Paul Wagner as General der Panzertruppen

Axel Monjé as SS-Brigadeführer