Harry Morgan
- Bakari
2024 Producer
- Greenboy: Prescription for Death
2013 Bill Gannon (archive footage)
- M*A*S*H: 30th Anniversary Reunion
2002 Himself
- Love & Money
1999
- Family Plan
1997 Sol Rubins
- 3rd Rock from the Sun
1996 Professor Suter
- Incident in a Small Town
1994 Judge Bell
- Grace Under Fire
1993
- Against Her Will: An Incident in Baltimore
1992 Judge Stoddard Bell
- Renegade
1992
- The Incident
1990 Judge Bell
- The Simpsons
1989 Bill Gannon (voice)
- 14 Going on 30
1988 Uncle Herb
- Dragnet
1987 Captain Gannon
- You Can't Take It with You
1987 Martin Vanderhof
- Blacke's Magic
1986 Leonard Blacke
- Murder, She Wrote
1984 Retired Lt. Richard Webb
- Sparkling Cyanide
1983 Captain Kemp
- AfterMASH
1983 Sherman T. Potter
- The Flight of Dragons
1982 Carolinus (voice)
- Rivkin: Bounty Hunter
1981 Father Everett Kolodny
- Roughnecks
1980 Plug Champion
- Scout's Honor
1980 Mr. Briggs
- More Wild Wild West
1980 Robert T. 'Skinny' Malone
- The Apple Dumpling Gang Rides Again
1979 T.P. Gaskill
- The Wild Wild West Revisited
1979 Robert T. Malone
- You Can't Take it With You
1979 Mr. DePinna
- Better Late Than Never
1979 Mr. Scott
- Backstairs at the White House
1979 Pres. Harry S. Truman
- Roots: The Next Generations
1979 Bob Campbell
- Maneaters Are Loose!
1978 Toby Waites
- The Cat from Outer Space
1978 General Stilton
- Confessions of the D.A. Man
1978 H.M. 'Staff' Stafford
- Kate Bliss and the Ticker Tape Kid
1978 Hugo Peavey
- Murder at the Mardi Gras
1978 Jim Bob Jackson
- The Bastard
1978 Capt. Caleb
- Exo-Man
1977 Arthur Travis
- The Love Boat
1977 Wendell Snead
- The Shootist
1976 Marshall Thibido
- The Apple Dumpling Gang
1975 Homer McCoy
- The Last Day
1975 Narrator
- Sidekicks
1974 Sheriff Jenkins
- Charley and the Angel
1973 Angel
- Snowball Express
1972 Jesse McCord
- The Century Turns
1972 Doc Amos B. Coogan
- M*A*S*H
1972 Director
- Hec Ramsey
1972 Director
- The Barefoot Executive
1971 E.J. Crampton
- Support Your Local Gunfighter
1971 Taylor
- Scandalous John
1971 Sheriff Pippin
- The Feminist and the Fuzz
1971 Horace Bowers
- Cat Ballou
1971 The Rancher
- Ellery Queen: Don't Look Behind You
1971 Insp. Richard Queen
- The D.A.
1971 H.M. 'Staff' Stafford
- But I Don't Want to Get Married!
1970 Mr. Good
- Night Gallery
1970 Thaddeus Conway
- The Partridge Family
1970 Cal
- Support Your Local Sheriff!
1969 Olly Perkins
- Viva Max!
1969 Chief of Police Sylvester
- Dragnet
1969 Bill Gannon
- Love, American Style
1969 Woody
- Star Spangled Salesman
1968 TV Cop
- Adam-12
1968 Director
- The Flim-Flam Man
1967 Sheriff Slade
- Dragnet
1967 Gannon
- What Did You Do in the War, Daddy?
1966 Major Pott
- Frankie and Johnny
1966 Cully
- John Goldfarb, Please Come Home!
1965 Sarajevo
- Kentucky Jones
1964 Seldom Jackson
- The Richard Boone Show
1963 Director
- How the West Was Won
1962 Ulysses S. Grant
- Ensign O'Toole
1962 Charlie
- Going My Way
1962
- The Virginian
1962 Kendall Jones
- The Alfred Hitchcock Hour
1962 Director
- Dr. Kildare
1961 Francis X. Healy
- Inherit the Wind
1960 Judge Mel
- Cimarron
1960 Jessie Rickey
- The Mountain Road
1960 Mike Michaelson
- Pete and Gladys
1960
- Here's Hollywood
1960
- It Started with a Kiss
1959 Charles Meriden
- The Untouchables
1959 George 'Bugs' Moran
- The Teahouse of the August Moon
1957 Sergeant Gregovich
- Under Fire
1957 Sgt. Joseph C. Dusak
- Have Gun, Will Travel
1957 Sheriff Ernie Backwater
- Backlash
1956 Tony Welker
- Star in the Dust
1956 Lew Hogan
- The Bottom of the Bottle
1956 Felix - Barkeep
- Strategic Air Command
1955 Sergeant Bible
- Not as a Stranger
1955 Oley
- Gunsmoke
1955 Osgood Pickett
- Alfred Hitchcock Presents
1955 Hermie Jenkins
- The 20th Century Fox Hour
1955 Mike Feeney
- The Glenn Miller Story
1954 Chummy MacGregor
- The Far Country
1954 Ketchum
- About Mrs. Leslie
1954 Fred Blue
- Prisoner of War
1954 Maj. O.D. Hale
- The Forty-Niners
1954 Alf Billings
- December Bride
1954 Pete Porter
- The Lone Wolf
1954 Jim Strait
- Thunder Bay
1953 Rawlings
- Arena
1953 Lew Hutchins
- Torch Song
1953 Joe Denner
- Champ for a Day
1953 Al Muntz
- High Noon
1952 Sam Fuller
- Scandal Sheet
1952 Biddle
- My Six Convicts
1952 Dawson
- Bend of the River
1952 Shorty
- Stop, You're Killing Me
1952 Innocence
- Apache War Smoke
1952 Ed Cotten
- Boots Malone
1952 Quarter Horse Henry
- Toughest Man in Arizona
1952 Verne Kimber
- The Devil and John Q
1952 Abe Lincoln
- What Price Glory
1952 Sergeant Moran (uncredited)
- Cavalcade of America
1952 Homer Byington
- The Well
1951 Claude Packard
- The Blue Veil
1951 Charles Hall
- Belle Le Grand
1951 Abel Stone
- When I Grow Up
1951 Father Reed (Modern)
- The Highwayman
1951 Tim
- Appointment with Danger
1950 George Soderquist
- Dark City
1950 Soldier
- The Showdown
1950 Rod Main
- Outside the Wall
1950 Garth
- Holiday Affair
1949 Police Lieutenant (as Henry Morgan)
- Red Light
1949 Rocky
- Strange Bargain
1949 Richard Webb
- Madame Bovary
1949 Hyppolite
- Hello Out There
1949 The Young Gambler
- Down to the Sea in Ships
1949 Britton
- Yellow Sky
1948 Half Pint
- Moonrise
1948 Billy Scripture
- All My Sons
1948 Frank Lubey
- The Big Clock
1948 Bill Womack
- Race Street
1948 Hal Towers
- The Saxon Charm
1948 Hermy
- The Gangster
1947 Shorty
- Dragonwyck
1946 Klaas Bleecker
- From This Day Forward
1946 Hank Beesley
- It Shouldn't Happen to a Dog
1946 Gus Rivers
- Somewhere in the Night
1946 Bath Attendant
- Johnny Comes Flying Home
1946 Joe Patillo
- State Fair
1945 Barker
- A Bell for Adano
1945 Captain Purvis
- Wing and a Prayer
1944 Malcolm Brainard
- Roger Touhy, Gangster
1944 Thomas "Smoke" Reardon
- The Eve of St. Mark
1944 Private Shevlin
- Gentle Annie
1944 Cottonwood Goss (as Henry Morgan)
- Take It or Leave It
1944 (archive footage) (uncredited)
- Crash Dive
1943 Brownie
- Happy Land
1943 Tony Cavrek (as Henry Morgan)
- The Ox-Bow Incident
1943 Art Croft
- To the Shores of Tripoli
1942 Mouthy
- The Omaha Trail
1942 Henchman Nat
- Orchestra Wives
1942 Cully Anderson
- The Loves of Edgar Allan Poe
1942 Ebenezer Burling
