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Peril from the Planet Mongo (1966)
Writer
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Sakima and the Masked Marvel (1966)
Screenplay
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D-Day on Mars (1966)
Screenplay
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Purple Death from Outer Space (1966)
Writer
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Spaceship to the Unknown (1966)
Writer
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Savage Fury (1956)
Writer
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Lawless Code (1949)
Screenplay
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Brand of Fear (1949)
Screenplay
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The Phantom Creeps (1949)
Screenplay
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Gun Law Justice (1949)
Screenplay
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Federal Agents vs. Underworld, Inc. (1949)
Screenplay
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Adventures of Frank and Jesse James (1948)
Screenplay
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The Rangers Ride (1948)
Screenplay
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G-Men Never Forget (1948)
Screenplay
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Dangers of the Canadian Mounted (1948)
Screenplay
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Jesse James Rides Again (1947)
Screenplay
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Son of Zorro (1947)
Screenplay
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The Crimson Ghost (1946)
Screenplay
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Daughter of Don Q (1946)
Screenplay
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King of the Forest Rangers (1946)
Screenplay
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The Phantom Rider (1946)
Screenplay
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The Purple Monster Strikes (1945)
Screenplay
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Federal Operator 99 (1945)
Screenplay
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Manhunt of Mystery Island (1945)
Screenplay
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Zorro's Black Whip (1944)
Screenplay
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Haunted Harbor (1944)
Screenplay
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Captain America (1944)
Screenplay
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The Masked Marvel (1943)
Screenplay
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Secret Service In Darkest Africa (1943)
Writer
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Daredevils of the West (1943)
Screenplay
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The Secret Code (1942)
Screenplay
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Perils of the Royal Mounted (1942)
Screenplay
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Holt of the Secret Service (1941)
Screenplay
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The Iron Claw (1941)
Screenplay
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Riders of Death Valley (1941)
Screenplay
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The Green Hornet Strikes Again! (1940)
Screenplay
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Junior G-Men (1940)
Writer
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Dead End Kids vs. Spies, Inc. (1940)
Writer
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Winners of the West (1940)
Screenplay
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Flash Gordon Conquers the Universe (1940)
Screenplay
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The Green Hornet (1940)
Screenplay
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Mandrake the Magician (1940)
Screenplay
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Trigger Fingers (1939)
Story
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Trigger Fingers (1939)
Screenplay
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Straight Shooter (1939)
Story
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Straight Shooter (1939)
Screenplay
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The Oregon Trail (1939)
Screenplay
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Mandrake the Magician (1939)
Screenplay
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Outlaws' Paradise (1939)
Screenplay
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Flying G-Men (1939)
Screenplay
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Scouts to the Rescue (1939)
Screenplay
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The Phantom Creeps (1939)
Screenplay
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The Spider's Web (1938)
Screenplay
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Flaming Frontiers (1938)
Screenplay
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Rocket Ship (1938)
Screenplay
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Amateur Crook (1937)
Story
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Amateur Crook (1937)
Screenplay
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Sky Racket (1937)
Screenplay
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Sky Racket (1937)
Story
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Million Dollar Racket (1937)
Story
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Million Dollar Racket (1937)
Screenplay
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Lost Ranch (1937)
Screenplay
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Lost Ranch (1937)
Story
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Flying Fists (1937)
Screenplay
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Orphan of the Pecos (1937)
Writer
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Mystery Range (1937)
Screenplay
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Mystery Range (1937)
Story
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The Feud of the Trail (1937)
Screenplay
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The Feud of the Trail (1937)
Story
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Cheyenne Rides Again (1937)
Story
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Cheyenne Rides Again (1937)
Screenplay
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Blake of Scotland Yard (1937)
Screenplay
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Blake of Scotland Yard (1937)
Screenplay
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The Phantom of the Range (1936)
Story
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The Phantom of the Range (1936)
Screenplay
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Law and Lead (1936)
Screenplay
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The Phantom Rider (1936)
Screenplay
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Flash Gordon (1936)
Screenplay
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The Roaring West (1935)
Writer
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The New Adventures of Tarzan (1935)
Screenplay
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The Call of the Savage (1935)
Writer
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Rustlers of Red Dog (1935)
Screenplay
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When a Man Sees Red (1934)
Story
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The Red Rider (1934)
Screenplay
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The Vanishing Shadow (1934)
Screenplay
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Pirate Treasure (1934)
Screenplay
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Perils of Pauline (1933)
Screenplay
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Tarzan the Fearless (1933)
Writer
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The Phantom of the Air (1933)
Screenplay
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Clancy of the Mounted (1933)
Writer
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The Secrets of Wu Sin (1932)
Writer
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Jungle Mystery (1932)
Screenplay
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The Airmail Mystery (1932)
Story
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Danger Island (1931)
Screenplay
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Heroes of the Flames (1931)
Screenplay
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The Ridin' Demon (1929)
Writer
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Plunging Hoofs (1929)
Story
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Guardians of the Wild (1928)
Writer
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A Final Reckoning (1928)
Screenplay
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Thunder Riders (1928)
Screenplay
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Thunder Riders (1928)
Story
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The Call of the Heart (1928)
Story
|
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The Call of the Heart (1928)
Scenario Writer
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The Fearless Rider (1928)
Writer
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Wolf's Trail (1927)
Screenplay
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Wolf's Trail (1927)
Story
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The Border Cavalier (1927)
Screenplay
|
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The Border Cavalier (1927)
Story
|
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The Frontier Trail (1926)
Screenplay
|
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The Frontier Trail (1926)
Story
|
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Driftin' Thru (1926)
Story
|
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In Search of a Thrill (1923)
Screenplay
|
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Welcome to Our City (1922)
Writer
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The Right Way (1921)
Writer
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The Secret Kingdom (1917)
Scenario Writer
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Beatrice Fairfax (1916)
Screenplay
|
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The Romance of Elaine (1915)
Writer
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The New Exploits of Elaine (1915)
Writer
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The Exploits of Elaine (1914)
Screenplay
|
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The Perils of Pauline (1914)
Writer
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