Credits

• 2016 · Eat That Question: Frank Zappa in His Own Words as Rance Muhammitz (archive footage)
• 2010 · Embracing Chaos: Making The African Queen as Self
• 2007 · The Little Traitor as Interrogator
• 2004 · Isn't This a Time! A Tribute Concert for Harold Leventhal as Himself
• 2002 · Crime and Punishment as Captain Koch
• 1998 · Second Chances as Dutch John Hathaway
• 1998 · Babylon 5: In the Beginning as Lenonn
• 1997 · Brooklyn South as Solomon Shuyler
• 1997 · Shadow Conspiracy as Prof. Yuri Pochenko
• 1996 · The Pretender as Martin Zeller / Dr. Werner Krieg
• 1995 · More Loverly Than Ever: The Making of 'My Fair Lady' as Self / Zoltan Karpathy (as Theo Bikel)
• 1995 · JAG as Farmer with Plane
• 1995 · My Family Treasure as Grandpa Danieloff
• 1994 · In the Month of Kislev as Narrator
• 1994 · Babylon 5 as Rabbi Koslov
• 1994 · Babylon 5 as Lenonn
• 1993 · Benefit of the Doubt as Gideon Lee
• 1992 · Crisis in the Kremlin as Leo
• 1991 · Memories of Midnight as Napoleon Chotas
• 1991 · Shattered as Dr. Berkus
• 1990 · Law & Order as Sol Bregman
• 1989 · Christine Cromwell as
• 1989 · The Final Days as Henry Kissinger
• 1989 · The New Lassie as
• 1989 · See You in the Morning as Bronie
• 1988 · A Stoning in Fulham County as Abe Moser
• 1988 · Inside the Soviet Circus as Narrator
• 1988 · The True Story of Frank Zappa's 200 Motels as Self
• 1987 · Dark Tower as Max Gold
• 1987 · Star Trek: The Next Generation as Sergey Rozhenko
• 1987 · Beauty and the Beast as
• 1986 · L.A. Law as Kurt Rubin
• 1986 · Very Close Quarters as
• 1985 · Prince Jack as Georgi
• 1985 · The Equalizer as
• 1984 · Murder, She Wrote as Rosanno Bertolucci
• 1984 · Murder, She Wrote as Yuri Lermentov
• 1984 · Murder, She Wrote as Inspector Van Horn
• 1984 · Murder, She Wrote as Professor Harold Crenshaw
• 1984 · Cover Up as
• 1982 · Knight Rider as Graham Deauville
• 1982 · Hotel as
• 1982 · Night of 100 Stars as Self
• 1981 · Falcon Crest as Marin Dimitrov
• 1981 · The Fall Guy as
• 1981 · Dynasty as
• 1980 · Frank Zappa: New York and Elsewhere as Rance Muhammitz (voice) (archive footage)
• 1980 · The Return of the King as Aragorn (voice)
• 1978 · The Stingiest Man in Town as Marley's Ghost (voice)
• 1978 · The Amazing Spider-Man as
• 1978 · Loose Change as Tom Feiffer
• 1977 · The San Pedro Beach Bums as
• 1976 · Victory at Entebbe as Yakov Shlomo
• 1976 · Charlie's Angels as Prof. Wycinski
• 1975 · Murder on Flight 502 as Otto Gruenwaldt
• 1974 · Police Woman as
• 1974 · Little House on the Prairie as
• 1972 · The Little Ark as The Captain
• 1972 · Killer by Night as Sgt. Phl 'Sharkey' Gold
• 1971 · Frank Zappa filmt 200 Motels as Self
• 1971 · 200 Motels as Rance Muhammitz / Dave
• 1971 · Columbo as Oliver Brandt
• 1971 · Cannon as
• 1971 · All in the Family as Albrecht 'Alvin' Klemmer
• 1970 · Darker Than Amber as Meyer
• 1969 · My Side of the Mountain as Bando
• 1968 · The Mod Squad as
• 1968 · Hawaii Five-O as Prof. Erich Stoss
• 1968 · The Dick Cavett Show as Self - Guest
• 1968 · Sweet November as Alonzo
• 1967 · Saint Joan as Robert de Baudricourt
• 1967 · The Diary of Anne Frank as Hans Van Daan
• 1967 · Festival as Self
• 1967 · Ironside as
• 1967 · The Desperate Ones as Kisielev
• 1966 · Noon Wine as Homer T. Hatch
• 1966 · Mission: Impossible as General Casimir Zepke
• 1966 · ABC Stage 67 as Homer T. Hatch
• 1966 · The Russians Are Coming! The Russians Are Coming! as The Russian captain
• 1965 · Sands of the Kalahari as Bondrechai
• 1964 · My Fair Lady as Zoltan Karpathy
• 1964 · Another World as
• 1964 · The Hollywood Palace as Self - Folk Singer
• 1963 · Bob Hope Presents the Chrysler Theatre as
• 1963 · Burke's Law as Vic Bates
• 1963 · Burke's Law as Senor Manfred Gonzales
• 1963 · Tonight in Person as Self
• 1962 · Combat! as Francois Perrault
• 1962 · Sam Benedict as
• 1962 · Pericles on 31st Street as Nicholas Simonakis
• 1961 · The Mike Douglas Show as Self
• 1961 · Dr. Kildare as Dr. Mahmel Homatka
• 1961 · The Dick Powell Show as Captain Bellini
• 1961 · The Dick Powell Show as Nicholas Simonakis
• 1960 · Route 66 as
• 1960 · The Dybbuk as Sender
• 1959 · The Twilight Zone as Oliver Crangle
• 1959 · The Blue Angel as Klepert
• 1959 · The Angry Hills as Dimitrios Tassos
• 1959 · Woman Obsessed as Dr. R. W. Gibbs
• 1959 · A Dog of Flanders as Piet van Gelder
• 1959 · Rawhide as Pence
• 1958 · I Want to Live! as Carl G.G. Palmberg
• 1958 · Naked City as Nicholas Ross / Nicholas Rozinski
• 1958 · Naked City as Dr. Stanley Wilford
• 1958 · The Defiant Ones as Sheriff Max Muller
• 1958 · I Bury the Living as Andy McKee
• 1958 · Fraulein as Col. Dimitri Bucaron
• 1957 · The Enemy Below as Heinie Schwaffer
• 1957 · DuPont Show of the Month as Capt. Alvarado
• 1957 · The Pride and the Passion as General Jouvet
• 1957 · The Vintage as Eduardo Uribari
• 1956 · Flight from Vienna as Col. Sandor Kosice
• 1955 · Alfred Hitchcock Presents as Sergeant Ottermole
• 1955 · Gunsmoke as Martin Kellums
• 1955 · Julius Caesar as Julius Caesar
• 1955 · Above Us the Waves as German Officer
• 1955 · The Colditz Story as Vandy
• 1954 · The Divided Heart as Josip
• 1954 · Climax! as Martin Humphries
• 1954 · Betrayed as German Sergeant (uncredited)
• 1954 · The Young Lovers as Joseph
• 1954 · Forbidden Cargo as Max
• 1954 · The Love Lottery as Parsimonious
• 1953 · The Kidnappers as Dr. Willem Bloem
• 1953 · A Day to Remember as Henri Dubot
• 1953 · Melba as Paul Brotha
• 1953 · Never Let Me Go as Lieutenant
• 1952 · Moulin Rouge as King Milo IV of Serbia
• 1952 · The African Queen as First Officer
• 1951 · Hallmark Hall of Fame as Uncle Lajos
• 1951 · Hallmark Hall of Fame as De Baudricourt
• 1948 · Studio One as Machek
• 1948 · Studio One as Henri Blanchard
• 1948 · Studio One as Julius Caesar
• 1948 · Studio One as Grossman
• 1948 · The Ed Sullivan Show as Self