| Rat Pack (2022) Self (archive footage) |
| The Train (2015) Andre |
| Showing Up (2014) Self |
| Wall Street: Money Never Sleeps (2010) Julie Steinhardt |
| Ahead of Time: The Extraordinary Journey of Ruth Gruber (2010) Mordechai Rossman (voice) |
| The Ghost Writer (2010) Old man |
| The Toe Tactic (2009) Maestro |
| New York, I Love You (2008) Abe |
| Il falso bugiardo (2008) Self (archive footage) |
| Vote and Die: Liszt for President (2008) Joe Nightingale |
| Mama's Boy (2007) Seymour Warburton |
| Brando (2007) Self |
| The Holiday (2006) Arthur |
| The Hoax (2006) Noah Dietrich |
| The Real James Dean (2006) Self |
| Baby Doll: See No Evil (2006) Self |
| Sergio Leone - Il mio modo di vedere le cose (2006) Self |
| The Linen Book: Lost Images From 'The Magnificent Seven' (2006) Self |
| A Taste Of Jupiter (2005) |
| Steve McQueen: The Essence of Cool (2005) Self |
| James Dean: Sense Memories (2005) Self |
| The Moon and the Son: An Imagined Conversation (2005) Father |
| The Easter Egg Adventure (2004) Narrator (voice) |
| Unforgivable Blackness: The Rise and Fall of Jack Johnson (2004) Other Voices (voice) |
| King of the Corner (2004) Sol Spivak |
| Leone's West (2004) Self |
| Reconstructing 'The Good, The Bad And The Ugly' (2004) Self |
| Por un puñado de sueños (2004) Self - Interviewee |
| Mystic River (2003) Mr. Loonie (uncredited) |
| Horatio's Drive: America's First Road Trip (2003) Other Voices (voice) |
| Rita (2003) Self |
| The Education of Gore Vidal (2003) Self |
| Broadway: The Golden Age, by the Legends Who Were There (2003) Self |
| Time Machine: When Cowboys Were King (2003) Self / Narrator |
| Making 'The Misfits' (2002) Self |
| Cinerama Adventure (2002) Self |
| Monday Night Mayhem (2002) Leonard Goldenson |
| Clint Eastwood: Out of the Shadows (2000) Self |
| Uninvited (2000) Alan Strasser |
| Guns for Hire: The Making of 'The Magnificent Seven' (2000) Self |
| Keeping the Faith (2000) Rabbi Ben Lewis |
| The Bookfair Murders (2000) Erich Schmidt |
| Naked City: Justice with a Bullet (1998) Deluca |
| The Trial of Adolf Eichmann (1997) Pinchas Freudiger / David Ben-Gurion (voices) |
| Twentieth Century Fox: The First 50 Years (1997) Self |
| The Associate (1996) Donald Fallon |
| O. Henry's Christmas (1996) Behrman ("The Last Leaf") |
| Honey Sweet Love (1996) Don Siro |
| Clark Gable: Tall, Dark, and Handsome (1996) Self |
| The Search for Dracula (1996) Narrator |
| Sex, Censorship and the Silver Screen (1996) Quote Reader |
| Two Much (1995) Sheldon |
| Elia Kazan: A Director's Journey (1995) Narrator |
| American Cinema (1995) Narrator |
| Yul Brynner: The Man Who Was King (1995) Self |
| It's Alive: The True Story of Frankenstein (1994) Narrator |
| Marilyn Monroe: The Mortal Goddess (1994) Self |
| Martha Graham: The Dancer Revealed (1994) Self |
| The Man Who Drew Bug-Eyed Monsters (1994) Self - Narrator (voice) |
| Vendetta II: The New Mafia (1993) Frank Latella |
| Lincoln (1992) William Crook (voice) |
| The Donner Party (1992) voice |
| Night and the City (1992) Peck |
| Teamster Boss: The Jackie Presser Story (1992) Bill Presser |
| Mistress (1992) George Lieberhof |
| Nonsense and Lullabyes: Poems (1992) (voice) |
| Legacy of Lies (1992) Moses Resnick |
| Article 99 (1992) Sam Abrams |
| Nonsense and Lullabyes: Nursery Rhymes (1992) (voice) |
| Terezín Diary (1991) Narrator |
| Coney Island (1991) Self - Actor |
| The Godfather Part III (1990) Don Altobello |
| Sanford Meisner: The American Theatre's Best Kept Secret (1990) Self |
| The Two Jakes (1990) Cotton Weinberger |
| The Godfather Family: A Look Inside (1990) Self / Don Altobello |
| Hello Actors Studio (1988) Self |
| An Empire of Reason (1988) Anti-Federalist Spokesman |
| Funny (1988) Self |
| Hollywood Uncensored (1987) Self |
| The Impossible Spy (1987) Yacov |
| Nuts (1987) Dr. Herbert A. Morrison |
| Spark Among the Ashes: A Bar Mitzvah in Poland (1987) Narrator (voice) |
| Something in Common (1986) Norman Voss |
| Tough Guys (1986) Leon B. Little |
| Rocket to the Moon (1986) Mr. Prince |
| Murder: By Reason of Insanity (1985) Dr. Huffman |
| Embassy (1985) Joe Verga |
| Sam's Son (1984) Sam Orowitz |
| Anatomy of an Illness (1984) Dr. William Hitzig |
| The Executioner's Song (1982) Vern Damico |
| The Wall (1982) Mauritzi Apt |
| Skokie (1981) Bert Silverman |
| The Salamander (1981) General Leporello |
| The Pride of Jesse Hallam (1981) Sal Galucci |
| Fugitive Family (1980) Olan Vacio |
| Guri (1980) |
| The Hunter (1980) Ritchie Blumenthal |
| Memoirs of a Movie Palace: The Kings of Flatbush (1980) Self - Narrator (voice) |
| Winter Kills (1979) Joe Diamond |
| Firepower (1979) Sal Hyman |
| The Pirate (1978) Ben Ezra |
| Movie Movie (1978) Vince Marlow / Pop |
| Squadra antimafia (1978) Don Gerolamo Giarra |
| Girlfriends (1978) Rabbi Gold |
| Circle of Iron (1978) Man-in-Oil |
| The Deep (1977) Adam Coffin |
| The Domino Principle (1977) Gen. Reser |
| Nasty Habits (1977) Monsignor |
| The Sentinel (1977) Detective Gatz |
| E tanta paura (1976) Peter Struwwel |
| Independence (1976) Benjamin Franklin |
| Attenti al buffone (1975) Cesare |
| Il bianco, il giallo, il nero (1975) Sheriff Edward Gideon / aka Black Jack |
| Houston, We've Got a Problem (1974) Narrator (voice) |
| Crazy Joe (1974) Don Vittorio |
| Indict and Convict (1974) DeWitt Foster |
| Cinderella Liberty (1973) Lynn Forshay |
| L'ultima chance (1973) Joe |
| A Cold Night's Death (1973) Frank Enari |
| ¡Viva la muerte... tua! (1971) Maz Lozoya |
| The Typists (1971) Paul Cunningham |
| Le Roman d'un voleur de chevaux (1971) Kifke |
| Paradise Lost (1971) Leo Gordon |
| The People Next Door (1970) Arthur Mason |
| The Angel Levine (1970) Delicatessen Clerk |
| The Adventures of Gerard (1970) Napoleon Bonaparte |
| Zig Zag (1970) Mario Gambretti |
| The Reason Why (1970) Charles |
| Mackenna's Gold (1969) Ben Baker |
| Le cerveau (1969) Frankie Scannapieco, godfather of the Italian mafia |
| I quattro dell'Ave Maria (1968) Cacopoulos |
| A Lovely Way to Die (1968) Tennessee Fredericks |
| How to Save a Marriage and Ruin Your Life (1968) Harry Hunter |
| The Tiger Makes Out (1967) Ben Harris |
| The Owl Who Gave a Hoot (1967) Mr. Owl (voice) |
| Il buono, il brutto, il cattivo (1966) Tuco Ramirez |
| How to Steal a Million (1966) Davis Leland |
| The Poppy Is Also a Flower (1966) 'Happy' Locarno |
| Genghis Khan (1965) Shah of Khwarezm |
| Lord Jim (1965) The General |
| Kisses for My President (1964) Raphael Valdez Jr. |
| The Moon-Spinners (1964) Stratos |
| Act One (1963) Warren Stone |
| The Victors (1963) Sgt. Craig |
| How the West Was Won (1962) Charlie Gant |
| Hemingway's Adventures of a Young Man (1962) John |
| The Misfits (1961) Guido |
| The Magnificent Seven (1960) Calvera |
| Seven Thieves (1960) Poncho |
| Lullaby (1960) Johnny Horton |
| I, Don Quixote (1959) Sancho Panza / Cervantes' Manservant |
| For Whom the Bell Tolls (1959) Rafael |
| The Gift of the Magi (1958) Narrator |
| The Plot to Kill Stalin (1958) Poskrebyshev |
| The Lineup (1958) Dancer |
| The Lark (1957) Dauphin |
| Baby Doll (1956) Silva Vacarro |