![]()
| Title | Year | Status | Character |
|---|
| The Hook | 1963 | Capt. Van Ryn |
| The Untouchables | 1959-1962 | TV Series | Jake 'Greasy Thumb' Guzik / Mr. Jaeger / Waxey Gordon / ... |
| Frontier Circus | 1962 | TV Series | Paco Durando |
| The New Breed | 1962 | TV Series | Louis Morley |
| King of Diamonds | 1962 | TV Series | Frank Goby |
| The Dick Powell Theatre | 1962 | TV Series | El Valiente |
| Bus Stop | 1961 | TV Series | Dr. Emil Kroger |
| The Comancheros | 1961 | Graile |
| Route 66 | 1961 | TV Series | Jack / Vladis Dvorovoi |
| The Big Show | 1961 | Bruno Everard |
| Wagon Train | 1961 | TV Series | Tiburcio Mendez |
| Thriller | 1961 | TV Series | Lt. Jim Wagner |
| The Witness | 1960 | TV Series | Charles Becker |
| Moment of Fear | 1960 | TV Series |
| Startime | 1960 | TV Series | Prior Andry |
| Playhouse 90 | 1957-1960 | TV Series | Pablo / Prisoner's Father / Benito Mussolini / ... |
| Startime | 1960 | TV Series | Ulysses, Greek embassador |
| Alfred Hitchcock Presents | 1957-1960 | TV Series | Jeff Jensen / Ralph Collins |
| The Twilight Zone | 1959 | TV Series | Carl Lanser |
| Mr. Lucky | 1959 | TV Series | El Presidente |
| Five Fingers | 1959 | TV Series | Hildalgo |
| Day of the Outlaw | 1959 | Dan, Starret's Foreman |
| Clash by Night | 1959 | TV Movie | Jerry Wilenski |
| Al Capone | 1959 | Johnny Torrio |
| The Third Man | 1959 | TV Series | Sandor Varnezki |
| Green Mansions | 1959 | Don Panta |
| Some Like It Hot | 1959 | Little Bonaparte |
| Never Steal Anything Small | 1959 | Pinelli |
| Shirley Temple's Storybook | 1958 | TV Series | Ali Baba |
| The Badlanders | 1958 | Vincente - The Powder Monkey |
| Schlitz Playhouse | 1958 | TV Series | Jules Dreise |
| Climax! | 1958 | TV Series | Lieutenant Cal Nourse |
| The United States Steel Hour | 1955-1958 | TV Series | Ralph Tugwell / Russian diplomat / D'Arnault-Olivier |
| This Angry Age | 1957 | Albert |
| Kraft Theatre | 1956-1957 | TV Series | Mr. Arnothy |
| Street of Sinners | 1957 | Leon |
| The Alcoa Hour | 1957 | TV Series | Willie Hauptmann |
| Producers' Showcase | 1955-1957 | TV Series | Strup |
| Men in War | 1957 | Sgt. Lewis |
| The Wrong Man | 1956 | Gene Conforti |
| The Wild Party | 1956 | Kicks Johnson |
| Armstrong Circle Theatre | 1954-1956 | TV Series | The Man / Jeff Gardell |
| The Harder They Fall | 1956 | Leo |
| Playwrights '56 | 1956 | TV Series | Adam |
| The Philco-Goodyear Television Playhouse | 1953-1955 | TV Series | Ed Kagan / Well-Dressed Man / The Critic |
| On the Waterfront | 1954 | Cab Driver (uncredited) |
| Goodyear Playhouse | 1954 | TV Series |
| You Are There | 1953 | TV Series | Capt. de Sandoval |
| Actor's Studio | 1949 | TV Series |
| The Naked City | 1948 | Smiling Man Departing Subway (uncredited) |
| 4 Faces | 1999 |
| An American Tail: The Mystery of the Night Monster | 1999 | Video | Papa Mousekewitz (voice) |
| An American Tail: The Treasure of Manhattan Island | 1998 | Video | Papa (voice) |
| Tracey Takes On... | 1996 | TV Series | Grandfather |
| Chicago Hope | 1995 | TV Series | Rabbi Ben Taubler |
| Law & Order | 1993 | TV Series | David Steinmetz |
| Reasonable Doubts | 1993 | TV Series | Klaus Reichel |
| Doogie Howser, M.D. | 1992 | TV Series | Max Wernick |
| An American Tail: Fievel Goes West | 1991 | Papa (voice) |
| Murder, She Wrote | 1990 | TV Series | Constantin Stavros |
| Hunter | 1990 | TV Series | Harold Goodman |
| Star Trek: The Next Generation | 1990 | TV Series | Toff |
| L.A. Law | 1990 | TV Series | Rabbi Isadore Glickman |
| MacGyver | 1989 | TV Series | Sam Bolinski |
| Twins | 1988 | Mitchell Traven |
| The Last Temptation of Christ | 1988 | Rabbi |
| American Playhouse | 1988 | TV Series | Marcus Hoff |
| J.J. Starbuck | 1987 | TV Series | Patul |
| Adderly | 1987 | TV Series |
| An American Tail | 1986 | Papa Mousekewitz (voice) |
| Highway to Heaven | 1986 | TV Series | Deputy Premier Karpovich |
| The Facts of Life | 1986 | TV Series | Sam |
| Hotel | 1985 | TV Series | Nicholas Petrovsky |
| Magnum, P.I. | 1985 | TV Series | Rabbi Asher Solomon |
| Scarecrow and Mrs. King | 1984 | TV Series | Brobich |
| Yentl | 1983 | Reb Mendel 'Papa' |
| Sadat | 1983 | TV Series | Leonid Brezhnev |
| This Is the Life | 1983 | TV Series |
| O'Hara's Wife | 1982 | Doctor Fischer |
| St. Helens | 1981 | Mr. Ellison |
| Barney Miller | 1978-1981 | TV Series | Yacov Berger / Carl Simms |
| Turnover Smith | 1980 | TV Movie | Ashmed Amad |
| The Henderson Monster | 1980 | TV Movie | Prof. Leo Tedeschi |
| F.D.R.: The Last Year | 1980 | TV Movie | Josef Stalin |
| The Littlest Hobo | 1980 | TV Series | Lukash |
| Fantasy Island | 1978-1980 | TV Series | Andreas / Horst Von Stern |
| B.A.D. Cats | 1980 | TV Series |
| Condominium | 1980 | TV Series | Conlaw |
| The Thirteenth Day: The Story of Esther | 1979 | TV Movie | Mordecai |
| In Search of Historic Jesus | 1979 | Documentary | Herod Antipas |
| Police Story | 1974-1979 | TV Series | Dr. Burke / Fabrizzio |
| The Rebels | 1979 | TV Movie | Baron Von Steuben |
| Battlestar Galactica | 1979 | TV Series | Eastern Alliance Leader |
| Supertrain | 1979 | TV Series | Max |
| Delta House | 1979 | TV Series | Mayor DePasto |
| Hawaii Five-O | 1968-1979 | TV Series | Allie Francis / Victor Palua / Cordell / ... |
| The French Atlantic Affair | 1979 | TV Mini-Series | Col. Schreiner |
| A Double Life | 1978 | TV Movie | Carlos |
| The Hardy Boys/Nancy Drew Mysteries | 1978 | TV Series | Vladimir |
| Greatest Heroes of the Bible | 1978 | TV Series | Malimar |
| The Word | 1978 | TV Mini-Series | Abbot Petropolous |
| Vega$ | 1978 | TV Series | The Sheik |
| Sword of Justice | 1978 | TV Series | Carlos |
| Ziegfeld: The Man and His Women | 1978 | TV Movie | Charles Frohman |
| Killing Stone | 1978 | TV Movie | Earl Stone |
| High Hopes | 1978 | TV Series | Dr. Aaron Herzog |
| Richie Brockelman, Private Eye | 1978 | TV Series |
| The Bionic Woman | 1978 | TV Series | Dr. Philip Jennings |
| Little House on the Prairie | 1978 | TV Series | Mr. Olaf Lundstrom |
| Logan's Run | 1978 | TV Series | Asa |
| Police Woman | 1977 | TV Series | Como |
| Charlie's Angels | 1977 | TV Series | Anton Metzger |
| Quincy M.E. | 1977 | TV Series | Matt Dorsey |
| Deadly Harvest | 1977 | Mort Logan |
| Hunter | 1977 | TV Series | Sheik Farakbi |
| Rich Man, Poor Man - Book II | 1977 | TV Series |
| McCloud | 1973-1977 | TV Series | Tereshkov / Perry Cicero |
| Wonder Woman | 1977 | TV Series | Professor Moreno |
| The Six Million Dollar Man | 1977 | TV Series | Major Popov |
| Voyage of the Damned | 1976 | Mr. Hauser |
| Baretta | 1976 | TV Series | Vittorio Luzianno |
| Francis Gary Powers: The True Story of the U-2 Spy Incident | 1976 | TV Movie | Rudenko |
| McNaughton's Daughter | 1976 | TV Mini-Series |
| Columbo | 1976 | TV Series | Jesse Jerome |
| Ellery Queen | 1975 | TV Series | Dr. Mustafa Haddid |
| Psychic Killer | 1975 | Dr. Gubner |
| Eric | 1975 | TV Movie | Dr. Duchesnes |
| The Invisible Man | 1975 | TV Series | Dr. Leon Barnard |
| Marcus Welby, M.D. | 1969-1975 | TV Series | Nat Bader / Nick Kolinski / Max Behrman |
| Gunsmoke | 1965-1975 | TV Series | Alejo Etchahoun / Ben Rando / Tim Driscoll / ... |
| The Missiles of October | 1974 | TV Movie | Foreign Minister Andrei Gromyko |
| The Stranger Within | 1974 | TV Movie | Dr. Edward Klein |
| The Sex Symbol | 1974 | TV Movie | Nick Fortis |
| McMillan & Wife | 1974 | TV Series | Clementa Habib |
| Dracula | 1973 | TV Movie | Dr. Van Helsing |
| Love, American Style | 1970-1973 | TV Series | Carl Colbert (segment "Love and the Generation Gasp") / Mr. Stone (segment "Love and the Gangster") |
| Search | 1973 | TV Series | Emmett Brugman |
| Insight | 1970-1973 | TV Series | Bishop Palmera / Gennaro |
| The Streets of San Francisco | 1972 | TV Series | 'Papa' Kampacalas |
| Mannix | 1972 | TV Series | Anton Wojeska |
| Adam-12 | 1972 | TV Series | Angelo Covelli |
| Cool Million | 1972 | TV Series | Karinakis |
| Mod Squad | 1969-1972 | TV Series | Nick Master / Sgt. Harry MacGeorge / Janos Kovacs |
| Lieutenant Schuster's Wife | 1972 | TV Movie | Champagne Joe Carroll |
| Lapin 360 | 1972 |
| Walt Disney's Wonderful World of Color | 1968-1972 | TV Series | Artie Moreno / Captain Malcione |
| Michael O'Hara the Fourth | 1972 | TV Movie | Artie Moreno |
| The Chicago Teddy Bears | 1971 | TV Series | Morris |
| Police Surgeon | 1971 | TV Series | Mr. John Warren |
| Red Sky at Morning | 1971 | Amadeo Montoya |
| Mrs. Pollifax-Spy | 1971 | Berisha |
| The High Chaparral | 1970 | TV Series | Homero José |
| Dan August | 1970 | TV Series | Leo Cussoni |
| The People Next Door | 1970 | Dr. Salazar |
| Cutter's Trail | 1970 | TV Movie | Santillo |
| Land of the Giants | 1969 | TV Series | Titus |
| The Bill Cosby Show | 1969 | TV Series | Mr. Byron |
| The Flying Nun | 1969 | TV Series | Alonzo Baldazon |
| The Girl Who Knew Too Much | 1969 | Lieutenant Miles Crawford |
| Mission: Impossible | 1966-1969 | TV Series | Igor Stravos / Phillipe Pereda / Prince Iben Kostas |
| It Takes a Thief | 1969 | TV Series | Harry Lavender |
| The Name of the Game | 1968 | TV Series | Ambassador |
| Escape to Mindanao | 1968 | TV Movie | Capt. Kramer |
| CBS Playhouse | 1968 | TV Series | Dr. Salazar |
| Panic in the City | 1968 | August Best |
| Tarzan | 1968 | TV Series | Chembe Kunji |
| The Power | 1968 | Prof. Carl Melnicker |
| Il giorno della civetta | 1968 | Pizzuco |
| The Wild Wild West | 1965-1968 | TV Series | Major Hazard / Adam Barclay / Gen. Andreas Cassinello |
| Maya | 1967 | TV Series | Lansing, the Pilot |
| The Money Jungle | 1967 | Lt. Dow Reeves |
| The Danny Thomas Hour | 1967 | TV Series | Lew Beckman |
| Off to See the Wizard | 1967 | TV Series | El Primero |
| I Spy | 1966-1967 | TV Series | Roop / Coly Collisi |
| The Man from U.N.C.L.E. | 1967 | TV Series | Valandros |
| Too Many Thieves | 1967 | Georgi |
| The Dangerous Days of Kiowa Jones | 1966 | TV Movie | Skoda |
| The Time Tunnel | 1966 | TV Series | Prof. Anton Biraki |
| Jericho | 1966 | TV Series | Paul Marchand |
| The Big Valley | 1966 | TV Series | General Vicente Ruiz |
| The Trials of O'Brien | 1966 | TV Series | Georgi |
| Honey West | 1966 | TV Series | Faustini - Bogus Mystic |
| Voyage to the Bottom of the Sea | 1966 | TV Series | Dobbs |
| The Legend of Jesse James | 1966 | TV Series | El Carnicero |
| A Man Called Shenandoah | 1965 | TV Series | Father Rodriguez |
| Convoy | 1965 | TV Series | Dimitri Federenko |
| Ben Casey | 1965 | TV Series | Don Ferando |
| Gilligan's Island | 1965 | TV Series | Pancho Hernando Gonzalez Enriques Rodriguez |
| Burke's Law | 1964-1965 | TV Series | Albert Indigo, 'Mr. I' / Wilhelm Kasimer / Jason Flonder |
| Seaway | 1965 | TV Series | Montagna |
| Bob Hope Presents the Chrysler Theatre | 1964-1965 | TV Series | Alverian / Martin Vesper |
| For the People | 1965 | TV Series | Stephen Wiseman |
| The Greatest Story Ever Told | 1965 | Shemiah |
| Mr. Novak | 1965 | TV Series | Henry Selkirk |
| Fate Is the Hunter | 1964 | Ben Sawyer |
| Rawhide | 1963-1964 | TV Series | Michob / Domingo |
| A Global Affair | 1964 | Under Secretary Segura |
| Naked City | 1959-1963 | TV Series | Buberone / Berco Romanu / Dominic Venussi / ... |
| Sam Benedict | 1963 | TV Series | Vernon Hill |