Credits

• 2003 · The Heroes of Telemark: Location report from Norway as
• 1988 · Anna as George Mamoulian
• 1988 · Doctor Who: Silver Nemesis as De Flores
• 1988 · Faceless as Dr. Karl Heinz Moser
• 1986 · The Summer of the Samurai as Wintrich
• 1986 · Wahnfried as Franz Listz
• 1986 · Operation Dead End as Prof. Lang
• 1986 · Horrible Horror as Baron Frankenstein in 'Tales of Frankenstein'
• 1985 · Marie Ward - Zwischen Galgen und Glorie as Kardinal Millini
• 1984 · The Masks of Death as Graf Udo Von Felseck
• 1984 · Weltuntergang as
• 1984 · Der Besuch as Crazier
• 1983 · S.A.S. San Salvador as Peter Reynolds
• 1983 · Non Stop Trouble with Spies as Colonel Henderson
• 1983 · The Winds of War as Joachim von Ribbentrop
• 1981 · Escape to Victory as chief commentator
• 1980 · Tusk as John Morrison
• 1979 · Der Durchdreher as Glorias erster Mann
• 1979 · Flambards as Mr. Dermot
• 1979 · Son of Hitler as Gernheim
• 1978 · Das Einhorn as Blomich
• 1978 · Plutonium as Direktor Arnold
• 1978 · Le Mutant as O'Brien
• 1977 · Io sono mia as Padre di Suna
• 1977 · Valentino as Baron Long
• 1977 · Waldrausch as Fürst
• 1977 · Der Alte as Leo Steglitz
• 1977 · Love Letters of a Portuguese Nun as Old Priest
• 1976 · Vanessa as Major Kenneth Cooper (as Anthony Diffring)
• 1976 · Montana Trap as Lieutenant Slade
• 1976 · The Swiss Conspiracy as Franz Benninger
• 1975 · Operation: Daybreak as Reinhard Heydrich
• 1975 · Kommissariat 9 as
• 1975 · Lehmanns Erzählungen as Allan
• 1975 · H.P. Lovecraft: Schatten aus der Zeit as Professor Peterson
• 1974 · Shatter as Hans Leber
• 1974 · Only the Wind Knows the Answer as John Keelwood
• 1974 · Borsalino and Co. as German
• 1974 · Derrick as Herr de Mohl
• 1974 · Derrick as Alfred Bandera
• 1974 · Derrick as Herr Scherer
• 1974 · The Beast Must Die as Pavel
• 1974 · Kiss Me and Die as Jonathan Lanceford
• 1973 · Tony Arzenta as Hans Grunwald (uncredited)
• 1973 · The Battle of Sutjeska as Generaloberst Alexander Lohr
• 1973 · Thriller as Jonathan Lanceford
• 1973 · Seven Deaths in the Cat's Eyes as Dr. Franz
• 1973 · Mark of the Devil Part II as Balthasar von Ross
• 1973 · Little Mother as The Cardinal
• 1972 · Dead Pigeon on Beethoven Street as Mensur
• 1972 · Assignment: Vienna as Insp. Hoffman
• 1971 · The Iguana with the Tongue of Fire as Ambassador Sobieski
• 1971 · Zeppelin as Colonel Hirsch
• 1970 · Scene of the Crime as Mensur
• 1970 · Piggies as Toto
• 1969 · Kill Rommel! as Captain Richard Howell
• 1969 · Michael Kohlhaas - The Rebel as Kurfürst
• 1969 · Der Kommissar as Roland Sauter
• 1968 · Where Eagles Dare as Col. Kramer
• 1967 · Counterpoint as Col. Arndt
• 1967 · The Double Man as Col. Berthold
• 1966 · Fahrenheit 451 as Fabian / Headmistress
• 1966 · The Blue Max as Holbach
• 1965 · The Heroes of Telemark as Major Frick
• 1965 · BBC Play of the Month as Adolf Eichmann
• 1965 · Geld, Geld, Geld - 2 Milliarden gegen die Bank von England as SS-Obergruppenführer Reinhard Heydrich
• 1965 · Shots in 3/4 Time as Burger
• 1965 · Operation Crossbow as SS Sturmbannfuhrer
• 1964 · Lana: Queen of the Amazons as Prof. van Vries
• 1964 · Vorsicht Mister Dodd as Howard
• 1963 · Doctor Who as De Flores
• 1963 · Interpol as SS-Obergruppenführer Reinhard Heydrich
• 1963 · Incident at Midnight as Dr. Erik Leichner
• 1962 · Studio Four as
• 1961 · Enter Inspector Duval as Inspector Duval
• 1960 · Circus of Horrors as Dr. Schuler
• 1959 · The Man Who Could Cheat Death as Dr. Georges Bonner
• 1959 · One Step Beyond as Wilhelm Hessler
• 1958 · Mark of the Phoenix as Inspector Schell
• 1958 · A Question of Adultery as Carl Dieter
• 1958 · Tales of Frankenstein as Baron Frankenstein
• 1957 · Seven Thunders as Col. Trautman
• 1957 · Lady of Vengeance as Karmak
• 1957 · The Crooked Sky as Fraser
• 1957 · The Traitor as Joseph Brezina
• 1956 · House of Secrets as Anton Lauderbach
• 1956 · Wire Service as Joseph Tezlik
• 1956 · Hancock's Half Hour as
• 1956 · Reach for the Sky as German Stabsfeldwebel
• 1956 · Seven Years in Tibet as Erzähler
• 1956 · The Black Tent as Senior German Officer
• 1956 · Colonel March of Scotland Yard as Francois
• 1956 · Colonel March of Scotland Yard as Davos
• 1956 · Doublecross as Dmitri Krassin
• 1955 · I Am a Camera as Fritz Wendel
• 1955 · Dixon of Dock Green as Charles Mason
• 1955 · The Colditz Story as Hauptmann Fischer
• 1954 · The Sea Shall Not Have Them as German Pilot
• 1953 · Operation Diplomat as Edward Shroder
• 1953 · Albert R.N. as Capt Schultz
• 1953 · Park Plaza 605 as Gregor
• 1953 · The Red Beret as The Pole
• 1953 · Never Let Me Go as Hotel Desk Clerk (uncredited)
• 1952 · Top Secret as Border Police GDR (uncredited)
• 1952 · The Woman's Angle as Peasant
• 1952 · Song of Paris as Renoir
• 1951 · Appointment with Venus as 2nd German Soldier
• 1951 · Hotel Sahara as German Soldier
• 1950 · Highly Dangerous as Officer at Station (uncredited)
• 1950 · State Secret as State Police Officer at Theater
• Future · The Day the Clown Cried as Captain Curt Runkel
• 1940 · Neutral Port as Sailor
• 1940 · Convoy as U-Boat Officer