Filmography
| Year | Title | Role | Notes |
|---|---|---|---|
| 1965 | Motorpsycho | Cory Maddox | Alternative titles: Motor Mods and Rockers and Rio Vengeance |
| 1967 | St. Valentine's Day Massacre, TheThe St. Valentine's Day Massacre | Diamond | |
| 1968 | Boston Strangler, TheThe Boston Strangler | Detective at Apartment of Victim #10 | Uncredited |
| 1972 | Godfather, TheThe Godfather | Moe Greene | |
| 1973 | Friends of Eddie Coyle, TheThe Friends of Eddie Coyle | Jimmy Scalise | |
| 1973 | Slither | Man with Ice Cream | |
| 1973 | Detroit 9000 | Danny Bassett | |
| 1974 | Three the Hard Way | Lt. Di Nisco | |
| 1974 | Freebie and the Bean | D.A. | |
| 1975 | Rafferty and the Gold Dust Twins | Vinnie | |
| 1977 | Fire Sale | Al | |
| 1978 | Rabbit Test | Sergeant Danny Bonhoff | |
| 1980 | Herbie Goes Bananas | Quinn | |
| 1980 | Stunt Man, TheThe Stunt Man | Police Chief Jake | |
| 1981 | Entity, TheThe Entity | Jerry Anderson | |
| 1984 | Cannonball Run II | Tony | |
| 1985 | Gotcha! | Al | |
| 1987 | Return to Horror High | Harry Sleerik | |
| 1988 | Lady in White | Angelo "Al" Scarlatti | Alternative title: The Mystery of the Lady in White |
| 1989 | Dream a Little Dream | Gus Keller | |
| 1989 | Wired | Arnie Fromson | |
| 1991 | Pope Must Die, TheThe Pope Must Die | Cardinal Rocco | Alternative title: The Pope Must Die(t) |
| 1992 | Boris and Natasha: The Movie | Sheldon Kaufman | |
| 1995 | Get Shorty | Jimmy Cap (Ray Bones' boss) | Uncredited |
| 1996 | That Thing You Do! | Sol Siler | |
| 1997 | Just Write | Harold's Father | |
| 1998 | A Bug's Life | Thorny | Voice |
| 1998 | Goodbye Lover | Detective Crowley | |
| 1999 | Dudley Do-Right | Chief | |
| 2000 | Last Producer, TheThe Last Producer | Poker Player | Alternative title: The Final Hit |
| 2001 | Wedding Planner, TheThe Wedding Planner | Salvatore Fiore | |
| 2002 | Country Bears, TheThe Country Bears | Rip Holland | |
| 2003 | Job, TheThe Job | Vernon Cray | |
| 2006 | Find Me Guilty | Nick Calabrese | Alternative title: Find Me Guilty: The Jackie Dee Story |
| 2011 | Batman: Year One | Carmine Falcone | Voice |
| Year | Title | Role | Notes |
|---|---|---|---|
| 1967 | Batman | Block | Episodes: "A Piece of Action" and "Batman's Satisfaction" |
| 1970 | That Girl | Biff | 1 episode |
| 1972 | F.B.I., TheThe F.B.I. | Matt Wilnor | 1 episode |
| 1973 | Circle of Fear | Joseph Moretti | 1 episode |
| 1974 | Rookies, TheThe Rookies | Earl Fisher | 1 episode |
| 1975 | Three for the Road | Pete Karras | 14 episodes |
| 1977 | Barnaby Jones | Harry Stroop | 1 episode |
| 1978 | Grass Is Always Greener Over the Septic Tank, TheThe Grass Is Always Greener Over the Septic Tank | Ralph Corliss | telefilm with Carol Burnett |
| 1981–88 | Facts of Life, TheThe Facts of Life | Charlie Polniaczek | Jo's father |
| 1980 | CHiPs | Ansgar | Episodes: "The Great 5K Star Race and Boulder Wrap Party": Part 1 and Part 2 |
| 1984 | St. Elsewhere | Roger | Episode: "Breathless" |
| 1985 | Golden Girls, TheThe Golden Girls | Glen O'Brien | Episode: "That Was No Lady" |
| 1985 | A-Team, TheThe A-Team | Sonny Monroe | Episode: "Champ!" |
| 1987 | Rags to Riches | Michael Rapp | 1 episode |
| 1989 | Murphy Brown | Al Floss | 1 episode |
| 1989–90 | Famous Teddy Z, TheThe Famous Teddy Z | Al Floss | Primetime Emmy Award for Outstanding Supporting Actor - Comedy Series |
| 1990 | Simpsons, TheThe Simpsons | Roger Meyers, Jr. | Episode: "Itchy & Scratchy & Marge" |
| 1991–92 | Sibs | Howie Ruscio | 23 episodes |
| 1994 | George Carlin Show, TheThe George Carlin Show | Harry Rossetti | 11 episodes |
| 1995 | Can't Hurry Love | Michael, Annie's Father | Episode: "Daddy's Girl" |
| 1996 | Pinky and the Brain | Floyd Nesbit | Episode: "Fly" |
| 1996 | Mad About You | Mark Slotkin | Episode: "Outbreak" |
| 1996 | Simpsons, TheThe Simpsons | Roger Meyers, Jr. | Episode: "The Day the Violence Died" |
| 1997 | Early Edition | Barney Kadison | Episode: "Home" |
| 1997 | Home Improvement | Irv Schmayman | 1 episode |
| 1997 | Simpsons, TheThe Simpsons | Roger Meyers, Jr. | Episode: "The Itchy & Scratchy & Poochie Show" |
| 1998 | Michael Hayes | Bernero | 1 episode |
| 1999 | Family Law | Goodman | 1 episode |
| 1999 | Family Guy | Soccer Mom | Episode: "Mind Over Murder" |
| 2000 | Walker, Texas Ranger | Johnny "Giovanni Rossini" Rose | Episodes: "Wedding Bells": Part 1 and Part 2 |
| 2001 | Family Guy | Bea Arthur portraying Peter Griffin | Episode: "Ready, Willing and Disabled" |
| 2001–04 | Division, TheThe Division | John Exstead Sr. | 14 episodes |
| 2005 | ER | Martin Trudeau | Episode: "Two Ships" |
| 2007 | Wedding Bells, TheThe Wedding Bells | Larry Herschfield | Episode: "The Fantasy" |
| 2010 | Party Down | Howard Greengold | Episode: "Constance Carmel Wedding" |
| 2012 | Magic City | Arthur Evans | Season 1: 4 episodes so far |
| 2012 | Private Practice | Ed | Season 6: episode 1, "Aftershocks" |
Read more about this topic: Alex Rocco