Movies (Acting Roles)
Sorted by Release DateStuck with Each Other
William Duncan would have been no older than 81 in Stuck with Each Other as 'Columnist'.Movie Released: Tue, Oct 17 1989
The Texas Rangers Ride Again
William Duncan was 60 in The Texas Rangers Ride Again as 'Captain Inglis'.Movie Released: Fri, Dec 13 1940
Law of the Pampas
William Duncan was 59 in Law of the Pampas as 'Buck Peters'.Movie Released: Fri, Nov 03 1939
The Frontiersmen
William Duncan was 59 in The Frontiersmen as 'Buck Peters'.Movie Released: Fri, Dec 16 1938
Bar 20 Justice
William Duncan was 58 in Bar 20 Justice as 'Buck Peters'.Movie Released: Fri, Jun 24 1938
Hopalong Rides Again
William Duncan was 57 in Hopalong Rides Again as 'Buck Peters'.Movie Released: Fri, Aug 20 1937
Three on the Trail
William Duncan was 56 in Three on the Trail as 'Buck Peters'.Movie Released: Tue, Apr 14 1936
Hello, 'Frisco
William Duncan was 44 in Hello, 'Frisco as 'William Duncan'.Movie Released: Sun, Sep 28 1924
Wolves of the North
William Duncan was 44 in Wolves of the North as 'Alan Gray'.Movie Released: Sun, Sep 21 1924
The Silent Avenger
William Duncan was 40 in The Silent Avenger as 'Phil Read'.Movie Released: Tue, Apr 20 1920
Smashing Barriers
William Duncan was 39 in Smashing Barriers as 'Dan Stevens'.Movie Released: Mon, Sep 01 1919
The Fighting Trail
William Duncan was 37 in The Fighting Trail as 'John Gwyn'.Movie Released: Mon, Sep 10 1917
The Mystery of Lake Lethe
William Duncan was 37 in The Mystery of Lake Lethe Movie Released: Mon, Jan 15 1917
Through the Wall
William Duncan was 36 in Through the Wall as 'Paul Stanton (aka Coquenil)'.Movie Released: Mon, Oct 02 1916
The Cost of High Living
William Duncan was 36 in The Cost of High Living as 'Jack'.Movie Released: Mon, May 22 1916
God's Country and the Woman
William Duncan was 36 in God's Country and the Woman as 'Philip Weyman'.Movie Released: Mon, Apr 24 1916
Marian, the Holy Terror
William Duncan was 34 in Marian, the Holy Terror as 'Dave'.Movie Released: Tue, May 12 1914
The Little Sister
William Duncan was 34 in The Little Sister as 'First Prospector'.Movie Released: Thu, Feb 05 1914
A Friend in Need
William Duncan was 34 in A Friend in Need as 'Jimmy Donovan - the Chauffeur'.Movie Released: Thu, Jan 22 1914
By Unseen Hand
William Duncan was 34 in By Unseen Hand as 'Jimmy Norton'.Movie Released: Wed, Jan 07 1914
Mother Love vs Gold
William Duncan was 34 in Mother Love vs Gold as 'Dick Mackey'.Movie Released: Tue, Dec 23 1913
The Rustler's Reformation
William Duncan was 33 in The Rustler's Reformation Movie Released: Tue, Dec 02 1913
The Taming of Texas Pete
William Duncan was 33 in The Taming of Texas Pete as 'Texas Pete'.Movie Released: Wed, Jul 30 1913
Made a Coward
William Duncan was 33 in Made a Coward as 'Bud Harris'.Movie Released: Thu, Jul 10 1913
Sallie's Sure Shot
William Duncan was 33 in Sallie's Sure Shot as 'Fred'.Movie Released: Fri, Jul 04 1913
The Marshal's Capture
William Duncan was 33 in The Marshal's Capture as 'The Marshal'.Movie Released: Tue, Jun 24 1913
The Only Chance
William Duncan was 33 in The Only Chance as 'Charley West - the Lineman'.Movie Released: Sat, Jun 14 1913
His Father's Deputy
William Duncan was 33 in His Father's Deputy as 'Deputy Jim Carter - the Sheriff's Son'.Movie Released: Mon, May 19 1913
The Shotgun Man and the Stage Driver
William Duncan was 33 in The Shotgun Man and the Stage Driver as 'The Shotgun Man'.Movie Released: Wed, Apr 09 1913
The Sheriff of Yavapai County
William Duncan was 33 in The Sheriff of Yavapai County as 'Sheriff Bud O'Neill'.Movie Released: Wed, Mar 19 1913
Jim's Vindication
William Duncan was 32 in Jim's Vindication as 'Jim - Pony Express Rider'.Movie Released: Tue, Oct 29 1912
So-Jun-Wah and the Tribal Law
William Duncan was 32 in So-Jun-Wah and the Tribal Law as 'Red Reagan - a Prospector'.Movie Released: Tue, Oct 22 1912
A War Time Romance
William Duncan was 32 in A War Time Romance as 'Jack Munroe'.Movie Released: Fri, Jul 26 1912
The Scapegoat
William Duncan was 32 in The Scapegoat as 'Jack Wright - Nellie's Brother'.Movie Released: Tue, Jan 30 1912
A Cowboy's Best Girl
William Duncan was 32 in A Cowboy's Best Girl as 'Carl Graham, a Young Rancher, Glen's Best Friend'.Movie Released: Tue, Jan 16 1912
The Bully of Bingo Gulch
William Duncan was 32 in The Bully of Bingo Gulch as 'Wild Jim, the Bad Man of Bingo Gulch'.Movie Released: Tue, Dec 26 1911
A Romance of the Rio Grande
William Duncan was 31 in A Romance of the Rio Grande as 'Smith, an Old Settler'.Movie Released: Tue, Dec 12 1911
Western Hearts
William Duncan was 31 in Western Hearts as 'A Gambler'.Movie Released: Tue, Nov 07 1911
Told in Colorado
William Duncan was 31 in Told in Colorado as 'John Hunter'.Movie Released: Tue, Oct 10 1911
The Wheels of Justice
William Duncan was 31 in The Wheels of Justice as 'Richard Courtright'.Movie Released: Thu, Sep 14 1911
TV Shows (Acting Roles)
Sorted by Release DateAges in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate ages