Credits

• 1977 · The Love Boat as Marcel Locksmith
• 1976 · The Mysterious House of Dr. C. as Dr. Coppelius
• 1972 · Treasure Island as Squire Trelawney
• 1972 · Assignment: Vienna as Tandler
• 1971 · Black Beauty as Hackenschmidt
• 1970 · Filmgeschichte(n) aus Österreich as Self
• 1970 · The Juggler of Notre Dame as The Innkeeper
• 1969 · A Hundred-Odd Years from Now as
• 1968 · Dr. Coppelius as Dr. Coppelius
• 1968 · Heidi as Father Richter
• 1967 · Rowan & Martin's Laugh-In as Self
• 1967 · The Caper of the Golden Bulls as Antonio Gonzales
• 1966 · Congress of Love as Der 'Ewige Wiener'
• 1966 · Batman as The Clock King
• 1965 · A Very Special Favor as Etienne
• 1965 · Twenty-Four Hours to Kill as Malouf
• 1964 · Emil and the Detectives as Baron
• 1964 · Wonderful Life as Lloyd Davis
• 1963 · A Cry of Angels as
• 1962 · The Tonight Show Starring Johnny Carson as Self
• 1962 · The Merv Griffin Show as Self
• 1962 · The Wonderful World of the Brothers Grimm as Stossel
• 1961 · The Mike Douglas Show as Self
• 1961 · The Mike Douglas Show as Self - Co-Host
• 1961 · Dr. Kildare as Dr. Max Jurgens
• 1961 · Cain's Hundred as Arnie Grote
• 1961 · Come September as Maurice Clavell
• 1960 · Outlaws as
• 1960 · The Chevy Mystery Show as Host
• 1959 · The Miracle as Flaco
• 1959 · The Big Party as Self
• 1959 · Rawhide as Lazio Tzgorni
• 1958 · 77 Sunset Strip as Oskar Pauker
• 1957 · Pinocchio as Gepetto
• 1957 · Tonight Starring Jack Paar as Self
• 1957 · Ten Thousand Bedrooms as Papa Martelli
• 1956 · The Dinah Shore Chevy Show as Self
• 1956 · Telephone Time as
• 1956 · Tony Awards as Self - Presenter
• 1955 · The 20th Century Fox Hour as Emil Markheim
• 1954 · The Steel Cage as Louis, the Prison Chef, segment "The Chef"
• 1953 · Letter to Loretta as Emil Kronsteidt
• 1953 · White Witch Doctor as Huysman
• 1953 · Call Me Madam as August Tantinnin
• 1953 · Confidentially Connie as Emil Spangenberg
• 1952 · Omnibus as
• 1951 · Hallmark Hall of Fame as Mr. Reallybig
• 1951 · Hallmark Hall of Fame as George Frederic Handel
• 1951 · The Name's the Same as
• 1951 · Schlitz Playhouse of Stars as
• 1951 · People Will Talk as Prof. Barker
• 1951 · Bedtime for Bonzo as Professor Hans Neumann
• 1950 · Bud Abbott and Lou Costello in the Foreign Legion as Sgt. Axmann
• 1950 · Spy Hunt as Doctor Stahl
• 1950 · The Yellow Cab Man as Dr. Byron Dokstedder
• 1950 · What's My Line? as Self - Panelist
• 1950 · Robert Montgomery Presents as Krisons Ringo
• 1949 · The Inspector General as Yakov
• 1949 · Suspense as Dr. Potterton / Richard Morley
• 1949 · Suspense as Frank Cadwallader
• 1949 · Suspense as
• 1948 · Studio One as
• 1948 · Studio One as Lev Simon
• 1948 · The Ed Sullivan Show as Self
• 1948 · The Pirate as Don Pedro Vargas
• 1947 · Riff-Raff as Eric Molinar
• 1947 · Born to Kill as Matthew Arnett
• 1947 · Sinbad the Sailor as Melik
• 1945 · Cornered as Melchior Incza
• 1945 · The Spanish Main as Don Juan Alvarado
• 1945 · Salome, Where She Danced as Dimitrioff
• 1944 · The Princess and the Pirate as La Roche
• 1944 · Till We Meet Again as Vitrey, The Mayor
• 1944 · Step Lively as Joe Gribble
• 1944 · Lifeboat as Willi
• 1943 · The Fallen Sparrow as Dr. Christian Skaas
• 1943 · This Land Is Mine as Major Erich von Keller
• 1942 · Once Upon a Honeymoon as Baron Franz Von Luber
• 1932 · Spione im Savoy-Hotel as Kurt
• 1929 · Eros in Ketten as
• 1929 · Osudné noci as
• 1928 · Almenrausch und Edelweiss as Mentel
• 1928 · Ledige Mütter as
• 1927 · The Long Intermission as Ottokar
• 1927 · Liebe geht seltsame Wege as
• 1927 · Die Lorelei as
• 1927 · The Right to Live as
• 1927 · Addio giovinezza! as
• 1927 · Ehegeheimnisse as
• 1926 · Junges Blut as Oberprimaner
• 1926 · Aus des Rheinlands Schicksalstagen as Walter Thiermann
• 1926 · Grüß mir das blonde Kind am Rhein as
• 1925 · O alte Burschenherrlichkeit as
• 1924 · Mein Leopold as
• 1924 · Michael as Michael
• 1922 · Sodom and Gomorrah as Eduard Harber - Student am Cambridge-Lyzeum / Ein Goldschmied von Galiläa