Ludwig
1973 · Prince Luitpold
Amore formula 2
1970 · Karl Muller
Adiós, Sabata
1970 · Colonel Skimmel
Hornets' Nest
1970 · Capt. Kreuger
Symphony of Love
1970 · conte Roskoff
The Last Day of the War
1970 · Maj. Skorch
A Sword to Brando
1970
The Odyssey
1969 · Laocoön
Battle of the Commandos
1969 · Lieutenant Hapke
The Battle of the Damned
1969 · Colonel Kleist
The Battle of El Alamein
1969 · General Schwartz
Gatling Gun
1968 · Mr. Bishop
To Hell and Back
1968 · Ernest Ward
The Devil's Brigade
1968 · German Officer in Town (uncredited)
Two Faces of the Dollar
1967 · Col. Blackgrave
Professionals for a Massacre
1967 · Major Lloyd
Any Gun Can Play
1967 · Lawrence Blackman
The Big Gundown
1967 · Baron von Schulenberg
Secret Agent Super Dragon
1966 · Coleman (as Gerard Haerther)
The Road to Fort Alamo
1964 · Mr. Silver
The Shortest Day
1963 · Colonnello comandante (uncredited)
Two Colonels
1963
The Changing of the Guard
1962 · German officer
Ursus in the Valley of the Lions
1961 · Lothar
Viva l'Italia!
1961 · French Journalist
Under Ten Flags
1960 · Captain del Sommergibile
Five Branded Women
1960 · Col. von Elm
The Giant of Marathon
1959 · Hippia
The Great War
1959 · Capitano Austriaco
Caltiki, the Immortal Monster
1959 · Max Gunther
The White Warrior
1959 · Prince Sergei Vorontzov
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