Wrote 102
1960s
- 1966
D-Day on Mars
Screenplay
Purple Death from Outer Space
Writer
Spaceship to the Unknown
Writer
1950s
- 1956
Savage Fury
Writer
1940s
- 1949
Lawless Code
Screenplay
Brand of Fear
Screenplay
The Phantom Creeps
Screenplay
Gun Law Justice
Screenplay
Federal Agents vs. Underworld, Inc.
Screenplay
- 1948
Adventures of Frank and Jesse James
Screenplay
The Rangers Ride
Screenplay
G-Men Never Forget
Screenplay
Dangers of the Canadian Mounted
Screenplay
- 1947
Son of Zorro
Screenplay
- 1946
The Crimson Ghost
Screenplay
Daughter of Don Q
Screenplay
King of the Forest Rangers
Screenplay
The Phantom Rider
Screenplay
- 1945
The Purple Monster Strikes
Screenplay
Federal Operator 99
Screenplay
- 1944
Zorro's Black Whip
Screenplay
Haunted Harbor
Screenplay
Captain America
Screenplay
- 1943
The Masked Marvel
Screenplay
Secret Service In Darkest Africa
Writer
Daredevils of the West
Screenplay
- 1942
The Secret Code
Screenplay
Perils of the Royal Mounted
Screenplay
- 1941
Holt of the Secret Service
Screenplay
The Iron Claw
Screenplay
Riders of Death Valley
Screenplay
- 1940
The Green Hornet Strikes Again!
Screenplay
Junior G-Men
Writer
Dead End Kids vs. Spies, Inc.
Writer
Winners of the West
Screenplay
Flash Gordon Conquers the Universe
Screenplay
Mandrake the Magician
Screenplay
1930s
- 1939
Trigger Fingers
Story, Screenplay
Straight Shooter
Screenplay, Story
The Oregon Trail
Screenplay
Mandrake the Magician
Screenplay
Outlaws' Paradise
Screenplay
Flying G-Men
Screenplay
Scouts to the Rescue
Screenplay
- 1938
The Spider's Web
Screenplay
Flaming Frontiers
Screenplay
- 1937
Amateur Crook
Story, Screenplay
Sky Racket
Screenplay, Story
Million Dollar Racket
Story, Screenplay
Lost Ranch
Story, Screenplay
Flying Fists
Screenplay
Orphan of the Pecos
Writer
Mystery Range
Story, Screenplay
The Feud of the Trail
Screenplay, Story
Cheyenne Rides Again
Story, Screenplay
Blake of Scotland Yard
Screenplay
Blake of Scotland Yard
Screenplay
- 1936
The Phantom of the Range
Screenplay, Story
Law and Lead
Screenplay
The Phantom Rider
Screenplay
Flash Gordon
Screenplay
- 1935
The Roaring West
Writer
The New Adventures of Tarzan
Screenplay
The Call of the Savage
Writer
Rustlers of Red Dog
Screenplay
- 1934
When a Man Sees Red
Story
The Red Rider
Screenplay
The Vanishing Shadow
Screenplay
Pirate Treasure
Screenplay
- 1933
Perils of Pauline
Screenplay
Tarzan the Fearless
Writer
The Phantom of the Air
Screenplay
Clancy of the Mounted
Writer
- 1932
The Secrets of Wu Sin
Writer
Jungle Mystery
Screenplay
The Airmail Mystery
Story
- 1931
Danger Island
Screenplay
1920s
- 1929
The Ridin' Demon
Writer
Plunging Hoofs
Story
- 1928
Guardians of the Wild
Writer
Thunder Riders
Story, Screenplay
The Call of the Heart
Story, Scenario Writer
The Fearless Rider
Writer
- 1927
Wolf's Trail
Screenplay, Story
The Border Cavalier
Screenplay, Story
- 1926
The Frontier Trail
Story, Screenplay
Driftin' Thru
Story
- 1923
In Search of a Thrill
Screenplay
- 1922
Welcome to Our City
Writer
- 1921
The Right Way
Writer
1910s
- 1917
The Secret Kingdom
Scenario Writer
- 1916
Beatrice Fairfax
Screenplay
- 1915
The Romance of Elaine
Writer
The New Exploits of Elaine
Writer
- 1914
The Exploits of Elaine
Screenplay
The Perils of Pauline
Writer
Directed 1
1930s
- 1936
Shadow of Chinatown
Continuity