From Wikipedia
Roy Stewart (October 17, 1883 – April 26, 1933) was an American actor of the silent era. He appeared in 138 films between 1915 and 1933. He was born in San Diego, California and died in Los Angeles, California from a heart attack.
Liberty
As Col. Dalton
The Rustler's Roundup
As Dave Winters
The Smugglers of Santa Cruz
As George Osborn
The Girl o' Dreams
As Foreman of the Island
Prisoners of Love
As Martin Blair
With Daniel Boone Thru the Wilderness
As Daniel Boone
Follow the Girl
As Larry O'Keefe
Fighting Caravans
As Couch
Willie Runs the Park
As Willie's Rival
The Greater Courage
As John
The Hungry Actors
As Burglar / Parson
From Italy's Shores
As Tony
The U.P. Trail
As Warren Neale
Screen Snapshots (Series 22, No. 10)
As Self (archive footage)
Trimmed in Scarlet
As Revere Wayne
Rough Romance
As Sheriff Milt Powers
Fargo Express
As Sam Goss
Come On, Tarzan
As Henchman Butch
Sparrows
As Dennis Wayne
Just Nuts
As Willie's Rival
The Devil to Pay
As Cullen Grant
Riders of the Dawn
As Kurt Dorn
The Viking
As King Olaf
The Sagebrusher
As Dr. Barnes
The Diamond from the Sky
The Heart of the North
As Sgt. John Whiley / 'Bad' Maupome
The Great Divide
As Joe Morgan
The Sagebrush Trail
As Sheriff Larry Reid
The House Built Upon Sand
As David Westebrooke
Her Social Value
As James Lodge
Kit Carson Over the Great Divide
As Seaton Maurey
With Buffalo Bill on the U. P. Trail
As Buffalo Bill Cody
The Boss of the Lazy Y
As Calumet Marston
A Daughter of the Poor
As Jack Stevens
Come on Danger!
As Texas Ranger Inspector Clay
One Woman to Another
As Rev. Robert Farrell
General Custer at the Little Big Horn
As Lem Hawks
The Lone Star Ranger
As Texas Ranger Captain McNally
Just a Wife
As Richard Emerson
Bond of Fear
As Cal Nelson
The Mistress of Shenstone
As Jim Airth
You Never Know Women
As Dimitri
Come Through
As Buck Lindsay
Mixed Blood
As Big Jim
The Devil Dodger
As Silent Scott
The Woman on the Jury
As Defense Attorney
Sundown
As Hugh Brent
The Double Standard
As John Fairbrother
The Bruiser
As Manson Kenwick
Where the Worst Begins
As Cliff Ranger
The Secret Code
The Further Adventures of Yorke Norroy
The Showdown
One of Three
As Yorke Norroy - Secret Agent