 Ludwig1973 · Prince Luitpold | Prince Luitpold |
 Amore formula 21970 · Karl Muller | Karl Muller |
 Adiós, Sabata1970 · Colonel Skimmel | Colonel Skimmel |
 Hornets' Nest1970 · Capt. Kreuger | Capt. Kreuger |
 Symphony of Love1970 · conte Roskoff | conte Roskoff |
 The Last Day of the War1970 · Maj. Skorch | Maj. Skorch |
 A Sword to Brando1970 · Actor | Actor |
 The Odyssey1969 · Laocoön | Laocoön |
 Battle of the Commandos1969 · Lieutenant Hapke | Lieutenant Hapke |
 The Battle of the Damned1969 · Colonel Kleist | Colonel Kleist |
 The Battle of El Alamein1969 · General Schwartz | General Schwartz |
 Gatling Gun1968 · Mr. Bishop | Mr. Bishop |
 To Hell and Back1968 · Ernest Ward | Ernest Ward |
 The Devil's Brigade1968 · German Officer in Town (uncredited) | German Officer in Town (uncredited) |
 Two Faces of the Dollar1967 · Col. Blackgrave | Col. Blackgrave |
 Professionals for a Massacre1967 · Major Lloyd | Major Lloyd |
 Any Gun Can Play1967 · Lawrence Blackman | Lawrence Blackman |
 The Big Gundown1967 · Baron von Schulenberg | Baron von Schulenberg |
 Secret Agent Super Dragon1966 · Coleman (as Gerard Haerther) | Coleman (as Gerard Haerther) |
 The Road to Fort Alamo1964 · Mr. Silver | Mr. Silver |
 The Shortest Day1963 · Colonnello comandante (uncredited) | Colonnello comandante (uncredited) |
 Two Colonels1963 · Actor | Actor |
 The Changing of the Guard1962 · German officer | German officer |
 Ursus in the Valley of the Lions1961 · Lothar | Lothar |
 Viva l'Italia!1961 · French Journalist | French Journalist |
 Under Ten Flags1960 · Captain del Sommergibile | Captain del Sommergibile |
 Five Branded Women1960 · Col. von Elm | Col. von Elm |
 The Giant of Marathon1959 · Hippia | Hippia |
 The Great War1959 · Capitano Austriaco | Capitano Austriaco |
 Caltiki, the Immortal Monster1959 · Max Gunther | Max Gunther |
 The White Warrior1959 · Prince Sergei Vorontzov | Prince Sergei Vorontzov |
