Frank Clark

Tom Marlin

Roaring Ranch

Handsome Thomas (as Frank M. Clark)

The Four-Footed Ranger

John Lawton

The Hound of Silver Creek

Sheriff

Fighting for Gold

Sheriff Morris (as Frank M. Clark)

The Untamed

Doc Snow, Retired Ranchman

Twisted Trails

Horace Kincaid, a Quack Doctor

Beware of Strangers

Bootlegger

When the West Was Young

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

Alone in the Jungle

Louis Schwartz - 1st Laborer

Greater Wealth

Jim Rucker

Willie

Old Man Paul Le Groux

Etienne of the Glad Heart

Joan's Father

The Wilderness Mail

Jim Blake

In Defiance of the Law

The Cobbler (as Frank M. Clark)

Mike's Brainstorm

Simpson

Land of the Lawless

Tubbs

The Rookie's Return

Judge Lindman

Firebrand Trevison

Steve Harding / Tiny Harding

Western Racketeers

Gypsy Prince

The Further Adventures of Stingaree

Thomas Lattier

Shotgun Jones

Gen. Deering

At Piney Ridge

Bill Stillwell

The Light of Western Stars

Alas! Poor Yorick!

Starlight's Father

In the Long Ago

Alexander Cummings

The Yellow Dog

Toby Madden

The Man from Painted Post

Soldier

The Sergeant

Sheriff

The Phantom Cowboy

Banker Harris

The Border Menace

Col. Stephens

Western Blood

A Pair of Boots

John Wilson - Mary's Father

A Frontier Girl's Courage

A Wanderer of the West

Surgeon Mullen

The Blacksmith's Love

The Ship's Captain

The Mate of the Alden Bessie

Pop Hadley

Wolf Blood

Judge Collins [Chs. 7, 9, 12]

Rustlers of Red Dog

Dextry

The Spoilers

Laramie

The Lone Star Ranger

Seth (as Frank M. Clark)

Outlawed

Patsy - the Cook

Chip of the Flying U

Capt. Jim Ellison

Hands Off!

Robert Garlan

Sweet Alyssum

Angus Fitzpatrick

The Wilderness Trail

Michael Donovan

The Lost City

Jo Jones

The Still Alarm

Major Callahan

The Carpet from Bagdad

Herbert Ransom

A Two Fisted Tenderfoot

After Twenty Years

Simmons

Under the Rouge

Antonio

The Tiger Lily