U-238 and the Witch Doctor 1966
Writer
Sakima and the Masked Marvel 1966
Screenplay
The Young and the Brave 1963
Story
Satan's Satellites 1958
Writer
Missile Monsters 1958
Screenplay
King of the Carnival 1955
Screenplay
Panther Girl of the Kongo 1955
Writer
Man with the Steel Whip 1954
Screenplay
Trader Tom of the China Seas 1954
Writer
Canadian Mounties vs. Atomic Invaders 1953
Writer
Commando Cody: Sky Marshal of the Universe 1953
Writer
Jungle Drums of Africa 1953
Writer
Zombies of the Stratosphere 1952
Writer
Black Hills Ambush 1952
Writer
Radar Men from the Moon 1952
Writer
Government Agents vs Phantom Legion 1951
Screenplay
Don Daredevil Rides Again 1951
Writer
Flying Disc Man from Mars 1950
Screenplay
Desperadoes of the West 1950
Writer
The Invisible Monster 1950
Screenplay
Roaring Westward 1949
Screenplay
Range Justice 1949
Screenplay
Across The Rio Grande 1949
Screenplay
Courtin' Trouble 1948
Screenplay
The Fighting Ranger 1948
Screenplay
Daredevils of the Clouds 1948
Story
Cowboy Cavalier 1948
Screenplay
Triggerman 1948
Screenplay
Range Renegades 1948
Screenplay
Captain America 1944
Screenplay
Drums of Fu Manchu 1943
Screenplay
The Masked Marvel 1943
Screenplay
Secret Service In Darkest Africa 1943
Writer
Daredevils of the West 1943
Screenplay
G-men vs. the Black Dragon 1943
Screenplay
King of the Mounties 1942
Screenplay
Perils of Nyoka 1942
Screenplay
Spy Smasher 1942
Screenplay
King of the Texas Rangers 1941
Screenplay
Jungle Girl 1941
Screenplay
Adventures of Captain Marvel 1941
Screenplay
Mysterious Doctor Satan 1940
Screenplay
Adventures of Red Ryder 1940
Screenplay
Hi-Yo Silver 1940
Screenplay
Drums of Fu Manchu 1940
Screenplay
Zorro's Fighting Legion 1939
Screenplay
Dick Tracy's G-Men 1939
Screenplay
Daredevils of the Red Circle 1939
Screenplay
The Lone Ranger Rides Again 1939
Screenplay
The Lone Ranger 1938
Screenplay
The Painted Stallion 1938
Story
SOS Coast Guard 1937
Story
The Painted Stallion 1937
Story
Conspiracy in the Mediterranean 1975
Adaptation
Torpedo of Doom 1966
Director
D-Day on Mars 1966
Producer
Zanzabuku 1956
as Narrator
Son of Zorro 1947
Associate Producer
The Crimson Ghost 1946
Associate Producer
Daughter of Don Q 1946
Associate Producer
Credits from TMDB.