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