Frank Clark

The Phantom Cowboy

Sheriff

Rustlers of Red Dog

Judge Collins [Chs. 7, 9, 12]

Western Racketeers

Steve Harding / Tiny Harding

The Border Menace

Banker Harris

Roaring Ranch

Tom Marlin

Outlawed

Seth (as Frank M. Clark)

The Hound of Silver Creek

John Lawton

The Four-Footed Ranger

Handsome Thomas (as Frank M. Clark)

Land of the Lawless

Simpson

A Wanderer of the West

Wolf Blood

Pop Hadley

Under the Rouge

Simmons

A Two Fisted Tenderfoot

Herbert Ransom

The Lone Star Ranger

Laramie

Hands Off!

Capt. Jim Ellison

The Rookie's Return

Tubbs

Firebrand Trevison

Judge Lindman

The Untamed

Sheriff Morris (as Frank M. Clark)

The Lost City

Michael Donovan

The Wilderness Trail

Angus Fitzpatrick

Fighting for Gold

Sheriff

The Yellow Dog

Alexander Cummings

The Light of Western Stars

Bill Stillwell

Western Blood

Col. Stephens

The Man from Painted Post

Toby Madden

The Further Adventures of Stingaree

Gypsy Prince

Beware of Strangers

Horace Kincaid, a Quack Doctor

Twisted Trails

Doc Snow, Retired Ranchman

At Piney Ridge

Gen. Deering

Sweet Alyssum

Robert Garlan

The Carpet from Bagdad

Major Callahan

After Twenty Years

When the West Was Young

Bootlegger

Chip of the Flying U

Patsy - the Cook

Willie

Jim Rucker

Etienne of the Glad Heart

Old Man Paul Le Groux

The Wilderness Mail

Joan's Father

In Defiance of the Law

Jim Blake

Shotgun Jones

Thomas Lattier

The Spoilers

Dextry

Alone in the Jungle

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

In the Long Ago

Starlight's Father

Alas! Poor Yorick!

Greater Wealth

Louis Schwartz - 1st Laborer

A Pair of Boots

Mike's Brainstorm

The Cobbler (as Frank M. Clark)

The Mate of the Alden Bessie

The Ship's Captain

A Frontier Girl's Courage

John Wilson - Mary's Father

The Blacksmith's Love

Surgeon Mullen

The Still Alarm

Jo Jones

The Sergeant

Soldier