Frank Clark

Wolf Blood

1925 · Pop Hadley

Outlawed

1929 · Seth (as Frank M. Clark)

Shotgun Jones

1914 · Thomas Lattier

Hands Off!

1921 · Capt. Jim Ellison

The Untamed

1920 · Sheriff Morris (as Frank M. Clark)

The Spoilers

1914 · Dextry

The Lone Star Ranger

1923 · Laramie

The Hound of Silver Creek

1928 · John Lawton

The Light of Western Stars

1918 · Bill Stillwell

Fighting for Gold

1919 · Sheriff

Chip of the Flying U

1914 · Patsy - the Cook

At Piney Ridge

1916 · Gen. Deering

In the Long Ago

1913 · Starlight's Father

The Lost City

1920 · Michael Donovan

Rustlers of Red Dog

1935 · Judge Collins [Chs. 7, 9, 12]

A Two Fisted Tenderfoot

1924 · Herbert Ransom

The Rookie's Return

1920 · Tubbs

Alone in the Jungle

1913 · John S. Brown - Helen's Father (as Frank M. Clark)

Etienne of the Glad Heart

1914 · Old Man Paul Le Groux

The Phantom Cowboy

1935 · Sheriff

The City of Purple Dreams

1918 · Symington Otis

Western Racketeers

1934 · Steve Harding / Tiny Harding

The Man from Painted Post

1917 · Toby Madden

The Border Menace

1934 · Banker Harris