Credits

• 1935 · Rustlers of Red Dog as Judge Collins [Chs. 7, 9, 12]
• 1935 · The Phantom Cowboy as Sheriff
• 1934 · Western Racketeers as Steve Harding / Tiny Harding
• 1934 · The Border Menace as Banker Harris
• 1930 · Roaring Ranch as Tom Marlin
• 1929 · Outlawed as Seth (as Frank M. Clark)
• 1928 · The Hound of Silver Creek as John Lawton
• 1927 · Land of the Lawless as Simpson
• 1927 · A Wanderer of the West as
• 1925 · Wolf Blood as Pop Hadley
• 1925 · The Four-Footed Ranger as Handsome Thomas (as Frank M. Clark)
• 1923 · The Lone Star Ranger as Laramie
• 1921 · Hands Off! as Capt. Jim Ellison
• 1920 · The Rookie's Return as Tubbs
• 1920 · Firebrand Trevison as Judge Lindman
• 1920 · The Untamed as Sheriff Morris (as Frank M. Clark)
• 1920 · The Lost City as Michael Donovan
• 1919 · The Wilderness Trail as Angus Fitzpatrick
• 1919 · Fighting for Gold as Sheriff
• 1918 · The Yellow Dog as Alexander Cummings
• 1918 · The Light of Western Stars as Bill Stillwell
• 1918 · Western Blood as Col. Stephens
• 1917 · The Man from Painted Post as Toby Madden
• 1917 · The Further Adventures of Stingaree as Gypsy Prince
• 1917 · Beware of Strangers as Horace Kincaid, a Quack Doctor
• 1916 · Twisted Trails as Doc Snow, Retired Ranchman
• 1916 · At Piney Ridge as Gen. Deering
• 1915 · Sweet Alyssum as Robert Garlan
• 1915 · The Carpet from Bagdad as Major Callahan
• 1914 · When the West Was Young as Bootlegger
• 1914 · Chip of the Flying U as Patsy - the Cook
• 1914 · Willie as Jim Rucker
• 1914 · Etienne of the Glad Heart as Old Man Paul Le Groux
• 1914 · The Wilderness Mail as Joan's Father
• 1914 · In Defiance of the Law as Jim Blake
• 1914 · Shotgun Jones as Thomas Lattier
• 1914 · The Spoilers as Dextry
• 1913 · Alone in the Jungle as John S. Brown - Helen's Father (as Frank M. Clark)
• 1913 · In the Long Ago as Starlight's Father
• 1913 · Alas! Poor Yorick! as
• 1913 · Greater Wealth as Louis Schwartz - 1st Laborer
• 1912 · A Pair of Boots as
• 1912 · Mike's Brainstorm as The Cobbler (as Frank M. Clark)
• 1912 · The Mate of the Alden Bessie as The Ship's Captain
• 1911 · A Frontier Girl's Courage as John Wilson - Mary's Father
• 1911 · The Blacksmith's Love as Surgeon Mullen
• 1911 · The Still Alarm as Jo Jones
• 1910 · The Sergeant as Soldier