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| Title | Year | Status | Character |
|---|
| Undoing Time | 2008 | Judge |
| The List | 2007/I | Gus Eicholtz |
| Waltzing Anna | 2006 | Mo Kegley |
| Talladega Nights: The Ballad of Ricky Bobby | 2006 | Mr. Dennit Sr. |
| Two Tickets to Paradise | 2006 | Mark's Dad |
| The Greatest Adventure of My Life | 2005 | Gen. J.T. Boone |
| The Angel Doll | 2002 | Noah Roudabush |
| The Court | 2002 | TV Series | Chief Justice Townsend |
| Morning | 2001 | Major Sonny |
| Dawson's Creek | 2001 | TV Series | Irv the Mechanic |
| Road to Redemption | 2001 | Grandpa Nathan Tucker |
| The Runaway | 2000 | TV Movie | Avery |
| Shaft | 2000 | Hon. Dennis Bradford |
| Muppets from Space | 1999 | General Luft |
| The Hunter's Moon | 1999 | Video | Judge Tully |
| Touched by an Angel | 1999 | TV Series | Ben Mangione |
| Homicide: Life on the Street | 1998 | TV Series | Wally Flynn |
| Horror Story | 1997 | Judge Caldwell |
| A Thousand Acres | 1997 | Harold Clark |
| Batman & Robin | 1997 | Commissioner James Gordon |
| The Shining | 1997 | TV Mini-Series | Pete Watson |
| The Member of the Wedding | 1997 | TV Movie | Officer Wylie |
| Bastard Out of Carolina | 1996 | Mr. Waddell |
| Larger Than Life | 1996 | Vernon |
| American Gothic | 1996 | TV Series | Fr. Tilden |
| Wings | 1996 | TV Series | Jack Hackett |
| Truman | 1995 | TV Movie | Boss Tom Pendergast |
| Batman Forever | 1995 | Commissioner James Gordon |
| The Quick and the Dead | 1995 | Horace the Bartender |
| One Christmas | 1994 | TV Movie | Bus driver |
| Against Her Will: The Carrie Buck Story | 1994 | TV Movie | Arthur Kent |
| In the Heat of the Night | 1993-1994 | TV Series | Daddy Roy Eversole |
| Lightning Jack | 1994 | U.S. Marshal Dan Kurtz |
| Cheers | 1993 | TV Series | Gus O'Malley |
| American Experience | 1993 | TV Series documentary | Earl Warren |
| The Habitation of Dragons | 1992 | TV Movie | Virgil Tolliver |
| Citizen Cohn | 1992 | TV Movie | J. Edgar Hoover |
| Batman Returns | 1992 | Commissioner James Gordon |
| Gunsmoke: To the Last Man | 1992 | TV Movie | Col. Tucker |
| Murder, She Wrote | 1986-1991 | TV Series | Zach Franklin / Lt. James Ignatius O'Malley / Ret. Lt. Det. Barney Kale |
| Not of This World | 1991 | TV Movie | Doc Avery |
| The Grifters | 1990 | Bobo Justus |
| Beanpole | 1990 | TV Movie | Joe |
| Life Goes On | 1990 | TV Series | Jack Thatcher |
| The Kennedys of Massachusetts | 1990 | TV Mini-Series | P.J. Kennedy |
| Batman | 1989 | Commissioner James Gordon |
| Everybody's Baby: The Rescue of Jessica McClure | 1989 | TV Movie | Fire Chief James Roberts |
| War and Remembrance | 1988-1989 | TV Mini-Series | Adm. William F. 'Bull' Halsey |
| The Equalizer | 1989 | TV Series | Waldo Jarrell |
| The Land Before Time | 1988 | Narrator / Rooter (voice) |
| Blue Skies | 1988 | TV Series | Henry Cobb |
| The Town Bully | 1988 | TV Movie | Charlie King |
| Stranger on My Land | 1988 | TV Movie | Judge Munson |
| Baby Boom | 1987 | Hughes Larrabee |
| Kojak: The Price of Justice | 1987 | TV Movie | George |
| LBJ: The Early Years | 1987 | TV Movie | Sam Rayburn |
| Matlock | 1986 | TV Series | Tom McCabe |
| Manhunt for Claude Dallas | 1986 | TV Movie | George Nielsen |
| Maximum Overdrive | 1986 | Hendershot |
| Walt Disney's Wonderful World of Color | 1986 | TV Series | Sam Donahue |
| Amazing Stories | 1985 | TV Series | Sheriff Horace Smyvie |
| The Rape of Richard Beck | 1985 | TV Movie | Chappy Beck |
| Brewster's Millions | 1985 | Edward Roundfield |
| Hail to the Chief | 1985 | TV Series | Lamar Montgomery |
| The Lady from Yesterday | 1985 | TV Movie | Jim Bartlett |
| The Falcon and the Snowman | 1985 | Mr. Charlie Boyce |
| American Playhouse | 1985 | TV Series | Homer T. Hatch |
| Trapper John, M.D. | 1981-1985 | TV Series | Chester Briggs / Hub Wendover |
| Magnum, P.I. | 1984 | TV Series | Garwood Huddle |
| Hot Pursuit | 1984 | TV Series |
| The Act | 1984 | Frank Boda |
| The Yellow Rose | 1984 | TV Series | Jesse Yates |
| In 'n Out | 1984 | Oscar Milstone |
| Simon & Simon | 1983 | TV Series | 'Irish' Dan Kelly |
| Sudden Impact | 1983 | Chief Jannings |
| Running Brave | 1983 | Coach Bill Easton |
| Going Berserk | 1983 | Ed Reese |
| St. Elsewhere | 1983 | TV Series | Walter Schaeffer |
| The Fighter | 1983 | TV Movie | Henry Banks |
| Bus Stop | 1982 | TV Movie | Dr. Gerald Lyman |
| Washington Mistress | 1982 | TV Movie | Senator Ross Clayton |
| Hart to Hart | 1982 | TV Series | Duffy / Ambrose |
| Of Mice and Men | 1981 | TV Movie | Jackson |
| The Private History of a Campaign That Failed | 1981 | TV Movie | Col. Ralls |
| Running Scared | 1980 | Sergeant McClain |
| Off the Minnesota Strip | 1980 | TV Movie |
| Stone | 1979-1980 | TV Series | Chief Paulton / Gene Paulton |
| M*A*S*H | 1980 | TV Series | Colonel Daniel Webster Tucker |
| Wild Times | 1980 | TV Mini-Series | Bob Halburton |
| Stone | 1979 | TV Movie | Deputy Chief Gene Paulton |
| Disaster on the Coastliner | 1979 | TV Movie | John Marsh |
| Vega$ | 1979 | TV Series | Caleb Tucker |
| Barnaby Jones | 1976-1979 | TV Series | Wesley Garrison / George Garrety / Ray Dixon |
| Norma Rae | 1979 | Vernon |
| When You Comin' Back, Red Ryder? | 1979 | Lyle Striker |
| Elvis | 1979/I | TV Movie | Colonel Tom Parker |
| General Electric's All-Star Anniversary | 1978 | TV Movie documentary | Thomas Edison |
| Tarantulas: The Deadly Cargo | 1977 | TV Movie | Doc Hodgins |
| The Gauntlet | 1977 | Josephson |
| Sunshine Christmas | 1977 | TV Movie | Joe Hayden |
| Escape from Bogen County | 1977 | TV Movie | Judge Henry Martin |
| Nashville 99 | 1977 | TV Series | Turley Bonner |
| Hawaii Five-O | 1975-1977 | TV Series | Grant Ormsbee
Ormsbee |
| The Secret Life of John Chapman | 1976 | TV Movie | Gus Reed |
| The Streets of San Francisco | 1975-1976 | TV Series | Al Mossman / Burt Morris |
| Independence | 1976 | Short | John Adams |
| Barbary Coast | 1975 | TV Series | Emory Van Cleve |
| Twigs | 1975 | TV Movie | Lou |
| McCloud | 1975 | TV Series | Lieutenant Easton |
| Lucas Tanner | 1974 | TV Series | Jack Gibbons |
| Medical Center | 1970-1974 | TV Series | Maxwell Grant / Dr. Scott Farring / Tom Hoagley |
| The Six Million Dollar Man | 1974 | TV Series | Senator Hill |
| Nightmare Honeymoon | 1974 | Mr. Binghamton |
| The Last Angry Man | 1974 | TV Movie | Dr. Sam Abelman |
| The Super Cops | 1974 | Insp. Novick |
| Happy as the Grass Was Green | 1973 | Eli |
| Running Wild | 1973 | Quentin Hogue |
| One Little Indian | 1973 | Capt. Stewart |
| The F.B.I. | 1973 | TV Series | Gustav Allen Benderson |
| The Rookies | 1973 | TV Series | Art Haskell |
| Hec Ramsey | 1973 | TV Series | Deputy Marshal Charlie Hollister |
| Kung Fu | 1973 | TV Series | General Thoms |
| Trouble Comes to Town | 1973 | TV Movie | Cecil Tabor |
| The Carey Treatment | 1972 | Capt. Pearson |
| Owen Marshall, Counselor at Law | 1972 | TV Series |
| The Bold Ones: The Lawyers | 1972 | TV Series | Gen. George Sternwood |
| Ironside | 1972 | TV Series | Lou Karns |
| If Tomorrow Comes | 1971 | TV Movie | Sheriff |
| The Bold Ones: The New Doctors | 1969-1971 | TV Series | Dan Walsh / Dr. Ben Gold |
| All the Way Home | 1971 | TV Movie | Ralph Follet |
| Gunsmoke | 1971 | TV Series | Dr. Chapman
Dr. John Chapman |
| Sweet, Sweet Rachel | 1971 | TV Movie | Arthur Piper |
| The City | 1971 | TV Movie | Ira Groom |
| NET Playhouse | 1971 | TV Series | President George Washington |
| The Young Lawyers | 1971 | TV Series | Benjamin Whitfield |
| Norwood | 1970 | Grady Fring |
| WUSA | 1970 | Bingamon |
| Bloody Mama | 1970 | Sam Adams Pendlebury |
| A Clear and Present Danger | 1970 | TV Movie | Salem Chase |
| Lancer | 1969 | TV Series | Absolem Weir |
| The Ballad of Andy Crocker | 1969 | TV Movie | Earl Crocker |
| Bonanza | 1969 | TV Series | Sheriff Austin |
| Certain Honorable Men | 1968 | TV Movie | Counsel for the Defense |
| Hang 'Em High | 1968 | Judge Fenton |
| Jigsaw | 1968 | Lew Haley |
| The High Chaparral | 1968 | TV Series | Finley Carr |
| Sol Madrid | 1968 | Harry Mitchell |
| The Felony Squad | 1968 | TV Series | Sheriff Calvin Cable |
| The Invaders | 1967 | TV Series | Brother Avery |
| Gentle Ben | 1967 | TV Series | Dude |
| Run for Your Life | 1967 | TV Series | Frederick Huffschmidt |
| Cimarron Strip | 1967 | TV Series | Mike McQueen |
| Judd for the Defense | 1967 | TV Series | District Attorney Ed Tanner |
| Bob Hope Presents the Chrysler Theatre | 1967 | TV Series | Martin Carlyle |
| Mission: Impossible | 1967 | TV Series | R.J. McMillan |
| CBS Playhouse: The Glass Menagerie | 1966 | TV Movie | The Gentleman Caller |
| Nevada Smith | 1966 | Big Foot |
| A Man Called Shenandoah | 1966 | TV Series | Tenney |
| The Loner | 1966 | TV Series | Bob Pierson |
| The Andy Griffith Show | 1966 | TV Series | Fred Gibson |
| The Trials of O'Brien | 1966 | TV Series |
| Who Goes There? | 1965 | TV Movie |
| The Defenders | 1961-1965 | TV Series | Peter Dowling / Franklin Williams |
| The Fugitive | 1964-1965 | TV Series | Sheriff Joe Bob Sims / Mike Decker |
| Daniel Boone | 1965 | TV Series | Will Carey |
| Rawhide | 1965 | TV Series | Pop Starke |
| A Carol for Another Christmas | 1964 | TV Movie | Ghost of Christmas Present |
| Invitation to a Gunfighter | 1964 | Sam Brewster |
| Kraft Suspense Theatre | 1963 | TV Series | Ed Caldwell |
| Route 66 | 1961-1963 | TV Series | Thayer Faxon / Frank Brack |
| All the Way Home | 1963 | Ralph Follet |
| Dr. Kildare | 1962-1963 | TV Series | Dr. Edward Swader / Lloyd Jason |
| The Twilight Zone | 1963 | TV Series | Horace Ford |
| The Ugly American | 1963 | Homer Atkins |
| The Untouchables | 1962-1963 | TV Series | Barney Howe / Mitchell A. Grandin |
| The Eleventh Hour | 1962 | TV Series | Bob Hunter |
| Cain's Hundred | 1961 | TV Series | Sam Cortner |
| Quest | 1961 | TV Series |
| Splendor in the Grass | 1961 | Ace Stamper |
| Play of the Week | 1961 | TV Series | Arthur McGill |
| Wild River | 1960 | Narrator (voice, uncredited) |
| The United States Steel Hour | 1957-1959 | TV Series | Roger Conway / Charlie |
| Rendezvous | 1958 | TV Series | Joey Skowran |
| Alfred Hitchcock Presents | 1957 | TV Series | Warren Selvy |
| Suspicion | 1957 | TV Series | Calman |
| No Down Payment | 1957 | Herman Kreitzer |
| Studio One in Hollywood | 1957 | TV Series | Maj. Bergman / Dr. Clark |
| The Strange One | 1957 | Harold Koble |
| Kraft Theatre | 1957 | TV Series |
| The Alcoa Hour | 1956 | TV Series | Red |
| Goodyear Playhouse | 1955-1956 | TV Series | Castleman
Darrin |
| The Philco-Goodyear Television Playhouse | 1955-1956 | TV Series |
| Justice | 1955 | TV Series |
| The Phil Silvers Show | 1955 | TV Series | Pvt. Steve Nagy |
| Appointment with Adventure | 1955 | TV Series |
| Mister Peepers | 1955 | TV Series | Fred Coe |
| Suspense | 1951-1954 | TV Series | Young Raineford / Ted |
| On the Waterfront | 1954 | Jocko (uncredited) |