SOS Coast Guard

(1937)

Screenplay

The Painted Stallion

(1937)

Screenplay

Dangerous Holiday

(1937)

Story

Dick Tracy

(1937)

Screenplay

Hawk of the Wilderness

(1938)

Screenplay

The Lone Ranger

(1938)

Screenplay

Dick Tracy's G-Men

(1939)

Screenplay

Daredevils of the Red Circle

(1939)

Screenplay

The Lone Ranger Rides Again

(1939)

Screenplay

Flash Gordon Conquers the Universe

(1940)

Screenplay

Lone Star Raiders

(1940)

Screenplay

Hi-Yo Silver

(1940)

Screenplay

Rocky Mountain Rangers

(1940)

Screenplay

Frontier Vengeance

(1940)

Screenplay

The Trail Blazers

(1940)

Screenplay

Prairie Pioneers

(1941)

Writer

Code of the Outlaw

(1942)

Writer

Raiders of the Range

(1942)

Screenplay

The Phantom Plainsmen

(1942)

Screenplay

Lumberjack

(1944)

Screenplay

The Mysterious Mr. M

(1946)

Screenplay

Out California Way

(1946)

Story

Roaring Rangers

(1946)

Screenplay

Smoky River Serenade

(1947)

Screenplay

Swing the Western Way

(1947)

Screenplay

Rose of Santa Rosa

(1947)

Screenplay

Riders of the Lone Star

(1947)

Screenplay

Singin' Spurs

(1948)

Screenplay

Six-Gun Law

(1948)

Writer

Smoky Mountain Melody

(1948)

Writer

West of Sonora

(1948)

Screenplay

Trail to Laredo

(1948)

Screenplay

Feudin' Rhythm

(1949)

Screenplay

Home in San Antone

(1949)

Writer

The Blazing Trail

(1949)

Writer

Laramie

(1949)

Writer

Bandits of El Dorado

(1949)

Writer

Horsemen of the Sierras

(1949)

Screenplay

Hoedown

(1950)

Writer

Streets of Ghost Town

(1950)

Writer

Raiders of Tomahawk Creek

(1950)

Writer

Across the Badlands

(1950)

Story and Screenplay

Frontier Outpost

(1950)

Writer

Outcasts of Black Mesa

(1950)

Screenplay

Texas Dynamo

(1950)

Screenplay

Cyclone Fury

(1951)

Writer

Snake River Desperadoes

(1951)

Writer

Bonanza Town

(1951)

Screenplay

Fort Savage Raiders

(1951)

Screenplay

Pecos River

(1951)

Writer

The Kid from Amarillo

(1951)

Writer

The Kid from Broken Gun

(1952)

Screenplay

Laramie Mountains

(1952)

Writer

Smoky Canyon

(1952)

Writer

Montana Territory

(1952)

Writer

The Rough, Tough West

(1952)

Writer

Junction City

(1952)

Screenplay

Eyes of the Jungle

(1953)

Writer

Commando Cody: Sky Marshal of the Universe

(1953)

Writer

Untamed Heiress

(1954)

Screenplay

Carolina Cannonball

(1955)

Writer

Lay That Rifle Down

(1955)

Screenplay

Stranger at My Door

(1956)

Story and Screenplay

Hell's Crossroads

(1957)

Screenplay

Last Stagecoach West

(1957)

Screenplay

Gunfire at Indian Gap

(1957)

Writer

Purple Death from Outer Space

(1966)

Writer

The Melody of Love

(1916)

Jack O'Brien as a Child (uncredited) (unconfirmed)

Trail of the North Wind

(1924)

The Devil Horse

(1932)

Horseman (uncredited)

Torpedo of Doom

(1966)

Director