Acting

1975		Film Emigration from Nazi Germany (5 episodes) as Self
1975		One of Our Own as Dr. Helmut Von Schulthers

1974		The Tamarind Seed as General Golitsyn
1974		Playhouse (1 episode)

1973

(1 episode) as Father Dimitrius

1972

(1 episode) as Zoltan Kolas

1970		Song of Norway as Engstrand
1970		The Executioner as Racovsky

1969

as The Commissar

1968		Assignment to Kill as Inspector Ruff
1968		The Strange Case of Dr. Jekyll and Mr. Hyde as Stryker

1967

as General Stok

1966

as Colonel Stok

1965

as Stan Pulaski

1964

as Krok

1963		Burke's Law (1 episode) as Janek Cybowski
1963		Breaking Point (1 episode)

1962		Mooncussers as Urias Hawke
1962		The Wonderful World of the Brothers Grimm as The Duke ('The Dream')
1962		Boys' Night Out as Dr. Prokosch

1961		Mr. Sardonicus as Krull
1961		Ben Casey (1 episode)

1960

(1 episode) as Pierre Jacquelin

1958		Tempest as Savelic
1958		Heart of Darkness as The Doctor
1958		The Plot to Kill Stalin as Khrushchev
1958		The Key as Van Dam

1957

as Dr. Emerich

1956

as Field Marshal Kutuzov

1955		Matinee Theater (2 episodes)
1955		Alfred Hitchcock Presents (1 episode) as Jan Vander Klaue / Mr A J Keyser (1 episode) as Carpius (1 episode) as Carl Kaminsky
1955		The Seven Year Itch as Dr. Brubaker

1954		Climax! (1 episode) as Christy Christakos
1954		Prisoner of War as Col. Nikita I. Biroshilov

1953		The House of the Arrow as Inspector Hanaud
1953		General Electric Theater (1 episode) as King

1952		Top Secret as Zekov
1952		Cavalcade of America (1 episode) as Jeno Reinitz

1951		Der schweigende Mund as Dr.Herbert Hirth
1951		Deutscher Filmpreis (1 episode) as Self

1950		The White Tower as Andreas (as Oscar Homolka)
1950		Robert Montgomery Presents (1 episode)

1949

as Joe Lucasta

1948		The Philco Television Playhouse (1 episode) as Bert
1948		I Remember Mama as Uncle Chris

1947

as Desius Heiss

1943		Hostages as Lev Pressinger
1943		Mission to Moscow as Maxim Litvinov

1941		Ball of Fire as Prof. Gurkakoff
1941		Rage in Heaven as Dr. Rameau

1940		The Invisible Woman as Blackie
1940		Comrade X as Commissar Vasiliev
1940		Seven Sinners as Antro

1937		Ebb Tide as Capt. Jakob Therbecke
1937		Sabotage as Karl Verloc - Her Husband

1936		Everything Is Thunder as Detective Schenck Gotz
1936		Rhodes of Africa as Ohm Paul Kruger

1933		Unsichtbare Gegner as James Godfrey
1933		Moral und Liebe as Robert Keßler

1932		Nights in Port Said
1932		Night column as André Carno

1931		In the Employ of the Secret Service as Lanskoi
1931		Between Night and Dawn as Anton
1931		1914 as Sergei Dmitrijewitsch Sasonow
1931		Road to Rio as Ricardo Gabiano

1930		Dreyfus as Major Ferdinand Walsin-Esterházy
1930		Hokuspokus as Gerichtspräsident Grandt
1930		Revolte im Erziehungshaus as Erzieher

1928		Schinderhannes as Amtmann
1928		Die Leibeigenen
1928		Prince or Clown as Zurube
1928		The Green Alley as Dr. Horner

1927		Die heilige Lüge as Jack
1927		Petronella - Das Geheimnis der Berge as Fridolin Bortis
1927		Der Kampf des Donald Westhof
1927		Das Mädchen ohne Heimat
1927		Tragedy of the Street as Anton - Pimp
1927		Brennende Grenze as Der Matrose

1926

as Director Haniel