Filmography
| Year | Title | Role | Other notes |
| 1974 | Benji | Bill | |
| 1969 | Angel in My Pocket | Axel Gresham | |
| 1967 | Welcome to Hard Times | Brown | |
| 1966 | Gunpoint | Bull | |
| 1965 | The Man from Button Willow | Sorry | voice |
| The Rounders | Vince Moore | ||
| 1963 | Move Over, Darling | Judge Bryson | |
| McLintock! | Bunny Dull | ||
| A Ticklish Affair | Captain Martin | ||
| Donovan's Reef | Boston Attorney | ||
| 1962 | Ride the High Country | Judge Tolliver | |
| Devil's Partner | Don Lucas | ||
| 1961 | The Comancheros | Judge Thaddeus Jackson Breen | |
| Tammy Tell Me True | Judge Carver | ||
| 1960 | Cimarron | Judge Neal Hefner | |
| Chartroose Caboose | Woody Watts | ||
| Four Fast Guns | Dipper | ||
| 1959 | Hound-Dog Man | Doc Cole | |
| Edge of Eternity | Sheriff Edwards | ||
| It Started with a Kiss | Congressman Tappe | ||
| King of the Wild Stallions | Idaho | ||
| Stump Run | Buck Gaskin | ||
| 1958 | The Sheepman | Milt Masters | |
| Day of the Bad Man | Sam Wyckoff | ||
| 1957 | Spoilers of the Forest | Tom Duncan | |
| 1956 | Come Next Spring | Mr. Canary | |
| 1955 | Wichita | Doc Black | |
| The Lonesome Trail | Dan Wells | ||
| The Silver Star | Will 'Bill' Dowdy | ||
| Rage at Dawn | Judge | ||
| 1954 | Destry | The Honorable Hiram J. Sellers, Mayor | |
| Dawn at Socorro | Sheriff Cauthen | ||
| Human Desire | Alec Simmons | ||
| Make Haste to Live | Sheriff Lafe | ||
| She Couldn't Say No | Ed Meeker | ||
| 1953 | Shane | Fred Lewis | |
| It Happens Every Thursday | Jake | ||
| 1952 | Toughest Man in Arizona | Jim Hadlock | |
| Wild Stallion | John Wintergreen | ||
| Flaming Feather | Sgt. O'Rourke | ||
| The Big Trees | Walter 'Yukon' Burns | ||
| 1951 | Silver City | Dutch Surrency | |
| Cave of Outlaws | Dobbs | ||
| Rawhide | Sam Todd | ||
| The Great Missouri Raid | Dr. Samuels | ||
| 1950 | Devil's Doorway | Zeke Carmody | |
| The Big Hangover | Uncle Fred Mahoney | ||
| Cargo to Capetown | Sam Bennett | ||
| Cheaper by the Dozen | Dr. Burton | ||
| 1949 | Any Number Can Play | Ed | |
| Lust for Gold | Wiser | ||
| Red Canyon | Jonah Johnson | ||
| The Walking Hills | Old Willy | ||
| 1948 | The Untamed Breed | John Rambeau | |
| The Man from Colorado | Doc Merriam | ||
| Coroner Creek | Sheriff O'Hea | ||
| The Black Arrow | Lawless | ||
| Best Man Wins | Jim Smiley | ||
| Adventures in Silverado | Dr. Hendersonn, aka The Monk | ||
| The Wreck of the Hesperus | George Lockhart | ||
| The Swordsman | Angus MacArden | ||
| 1947 | Framed | Jeff Cunningham | |
| The Sea of Grass | Jeff, Cook on Brewton Ranch | ||
| 1946 | If I'm Lucky | Darius J. Magonnagle | |
| Renegades | Kirk Dembrow | ||
| The Walls Came Tumbling Down | George Bradford | ||
| Perilous Holiday | George Richards | ||
| The Bandit of Sherwood Forest | Friar Tuck | ||
| Abilene Town | Sheriff 'Bravo' Trimble | ||
| The Fighting Guardsman | Pepe, bandit-valet | ||
| 1944 | Strange Affair | Lt. Washburn | |
| The Impatient Years | Judge | ||
| Bride by Mistake | Jonathan Connors | ||
| Buffalo Bill | Sergeant Chips McGraw | ||
| 1943 | Destroyer | Kansas Jackson | |
| Good Luck, Mr. Yates | Jonesey Jones | ||
| The Desperadoes | Uncle Willie McLeod | ||
| City Without Men | Michael T. Mallory | ||
| 1942 | The Talk of the Town | Sam Yates | |
| Tombstone, the Town Too Tough to Die | Curly Bill Brocious | ||
| 1941 | You Belong to Me | Billings, Groundskeeper | |
| Texas | Buford 'Doc' Thorpe | ||
| The Richest Man in Town | Pete Martin | ||
| Her First Beau | Elmer Tuttle | ||
| Penny Serenade | Applejack Carney | ||
| 1940 | Arizona | Judge Bogardus | |
| When the Daltons Rode | Narrator/Old-timer | uncredited | |
| The Seahawk | Ben Rollins | uncredited | |
| The Doctor Takes a Wife | Doorman | uncredited | |
| Escape to Glory | Charles Atterbee | ||
| Tear Gas Squad | Cousin Andy, a Policeman | ||
| Three Cheers for the Irish | Party Guest | uncredited | |
| Too Many Husbands | Det. Adolph McDermott | ||
| 1939 | My Son Is Guilty | Dan, Bartender |
Read more about this topic: Edgar Buchanan