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