William Duncan
- Compleanno:
- 12/16/1879
- Luogo di nascita:
- Dundee, Scotland, UK:
 | Stuck with Each Other (1989) Columnist |
 | The Texas Rangers Ride Again (1940) Captain Inglis |
 | Law of the Pampas (1939) Buck Peters |
 | The Frontiersmen (1938) Buck Peters |
 | Bar 20 Justice (1938) Buck Peters |
 | Hopalong Rides Again (1937) Buck Peters |
 | Forlorn River (1937) Blaine |
 | Three on the Trail (1936) Buck Peters |
 | Nevada (1935) Ben Ide |
 | Hello, 'Frisco (1924) William Duncan |
 | Wolves of the North (1924) Alan Gray |
 | The Fast Express (1924) Brent McAdams |
 | The Silent Avenger (1920) Phil Read |
 | Smashing Barriers (1919) Dan Stevens |
 | The Fighting Trail (1917) John Gwyn |
| | The Mystery of Lake Lethe (1917) |
 | Through the Wall (1916) Paul Stanton (aka Coquenil) |
 | The Cost of High Living (1916) Jack |
| | God's Country and the Woman (1916) Philip Weyman |
| | Love and Law (1915) Jimmy |
| | He's a Bear (1915) Ralph |
 | Marian, the Holy Terror (1914) Dave |
| | The Little Sister (1914) First Prospector |
| | A Friend in Need (1914) Jimmy Donovan - the Chauffeur |
| | By Unseen Hand (1914) Jimmy Norton |
 | Mother Love vs Gold (1913) Dick Mackey |
 | The Rustler's Reformation (1913) |
 | The Taming of Texas Pete (1913) Texas Pete |
 | Made a Coward (1913) Bud Harris |
 | Sallie's Sure Shot (1913) Fred |
 | The Marshal's Capture (1913) The Marshal |
 | The Only Chance (1913) Charley West - the Lineman |
 | His Father's Deputy (1913) Deputy Jim Carter - the Sheriff's Son |
 | The Shotgun Man and the Stage Driver (1913) The Shotgun Man |
| | The Life Timer (1913) Steve |
 | The Sheriff of Yavapai County (1913) Sheriff Bud O'Neill |
 | The Range Law (1913) Ted |
 | Jim's Vindication (1912) Jim - Pony Express Rider |
 | So-Jun-Wah and the Tribal Law (1912) Red Reagan - a Prospector |
 | A War Time Romance (1912) Jack Munroe |
 | The Scapegoat (1912) Jack Wright - Nellie's Brother |
 | A Cowboy's Best Girl (1912) Carl Graham, a Young Rancher, Glen's Best Friend |
 | The Bully of Bingo Gulch (1911) Wild Jim, the Bad Man of Bingo Gulch |
 | A Romance of the Rio Grande (1911) Smith, an Old Settler |
 | Western Hearts (1911) A Gambler |
 | Told in Colorado (1911) John Hunter |
 | The Wheels of Justice (1911) Richard Courtright |