The Alibi

(1916)

Scenario Writer

The Shop Girl

(1916)

Writer

The Wild Strain

(1918)

Scenario Writer

The Home Trail

(1918)

Scenario Writer

The Adventure Shop

(1919)

Scenario Writer

That Girl Montana

(1921)

Writer

Man Trackers

(1921)

Writer

Who Was the Man?

(1921)

Story

Double Crossers

(1921)

Story

The Wild Wild West

(1921)

Scenario Writer

The Deputy's Double Cross

(1922)

Writer

Never Let Go

(1922)

Story

Perils of the Yukon

(1922)

Writer

The Stolen Ranch

(1926)

Writer

Martin of the Mounted

(1926)

Writer

Hard Fists

(1927)

Writer

Blazing Days

(1927)

Writer

Fighting Spirit

(1927)

Scenario Writer

The Vanishing Rider

(1928)

Writer

The Harvest of Hate

(1929)

Writer

Hoofbeats of Vengeance

(1929)

Screenplay

Burning the Wind

(1929)

Writer

Born to the Saddle

(1929)

Story

The One Way Trail

(1931)

Screenplay

The Devil Horse

(1932)

Writer

The Last Frontier

(1932)

Screenplay

Tarzan the Fearless

(1933)

Writer

Gordon of Ghost City

(1933)

Adaptation

The Phantom of the Air

(1933)

Screenplay

Perils of Pauline

(1933)

Screenplay

Pirate Treasure

(1934)

Screenplay

The Red Rider

(1934)

Screenplay

Rustlers of Red Dog

(1935)

Screenplay

The Roaring West

(1935)

Writer

Stormy

(1935)

Writer

Flash Gordon

(1936)

Screenplay

The Phantom Rider

(1936)

Screenplay

The Gun Ranger

(1936)

Adaptation

The Idaho Kid

(1936)

Screenplay

Cavalry

(1936)

Adaptation

The Crooked Trail

(1936)

Story and Screenplay

Trail of Vengeance

(1937)

Adaptation

Arizona Gunfighter

(1937)

Screenplay

Boothill Brigade

(1937)

Writer

The Gambling Terror

(1937)

Adaptation and Story

Gun Lords of Stirrup Basin

(1937)

Screenplay

A Lawman Is Born

(1937)

Writer

The Red Rope

(1937)

Adaptation

Doomed at Sundown

(1937)

Screenplay

The Trusted Outlaw

(1937)

Screenplay

Bar-Z Bad Men

(1937)

Adaptation

Whirlwind Horseman

(1938)

Screenplay

The Feud Maker

(1938)

Screenplay

Thunder in the Desert

(1938)

Story and Screenplay

The Spider's Web

(1938)

Screenplay

Flaming Frontiers

(1938)

Screenplay

Durango Valley Raiders

(1938)

Screenplay

Paroled - To Die

(1938)

Screenplay

Songs and Bullets

(1938)

Screenplay and Story

Paroled from the Big House

(1938)

Writer

Rocket Ship

(1938)

Screenplay

The Rangers' Round-Up

(1938)

Writer

The Phantom Creeps

(1939)

Screenplay

Feud of the Range

(1939)

Story

The Oregon Trail

(1939)

Screenplay

Mesquite Buckaroo

(1939)

Story

Scouts to the Rescue

(1939)

Screenplay

Smoky Trails

(1939)

Story and Screenplay

Texas Wildcats

(1939)

Story and Screenplay

Trigger Pals

(1939)

Writer

Trailing Double Trouble

(1940)

Story

Winners of the West

(1940)

Screenplay

Pride of the Bowery

(1940)

Screenplay

Junior G-Men

(1940)

Writer

Deadwood Dick

(1940)

Screenplay

The Green Hornet

(1940)

Screenplay

Dead End Kids vs. Spies, Inc.

(1940)

Writer

Flash Gordon Conquers the Universe

(1940)

Screenplay

The Green Hornet Strikes Again!

(1940)

Screenplay

The Iron Claw

(1941)

Screenplay

Riders of Death Valley

(1941)

Screenplay

Billy The Kid's Fighting Pals

(1941)

Screenplay and Story

Outlaws of the Rio Grande

(1941)

Screenplay

Holt Of The Secret Service

(1941)

Screenplay

The Spider Returns

(1941)

Writer

Junior G-Men of the Air

(1942)

Screenplay

Gang Busters

(1942)

Screenplay

The Masked Marvel

(1943)

Screenplay

Adventures of the Flying Cadets

(1943)

Screenplay

Don Winslow of the Coast Guard

(1943)

Screenplay

The Great Alaskan Mystery

(1944)

Screenplay

Jungle Raiders

(1945)

Screenplay

Jungle Queen

(1945)

Writer

The Master Key

(1945)

Screenplay

Trouble Chasers

(1945)

Screenplay

Gangster's Den

(1945)

Story and Screenplay

Brenda Starr, Reporter

(1945)

Writer

Betty Co-Ed

(1946)

Screenplay

Son of the Guardsman

(1946)

Screenplay

Chick Carter, Detective

(1946)

Screenplay

Hop Harrigan: America's Ace of the Airways

(1946)

Screenplay

The Sea Hound

(1947)

Screenplay

Last of the Redmen

(1947)

Screenplay

The Vigilante: Fighting Hero of the West

(1947)

Screenplay

Jack Armstrong

(1947)

Story

Tex Granger: Midnight Rider of the Plains

(1948)

Story

Congo Bill

(1948)

Screenplay

Superman

(1948)

Screenplay

Batman and Robin

(1949)

Screenplay

The Adventures of Sir Galahad

(1949)

Screenplay

Bruce Gentry

(1949)

Screenplay

The Phantom Creeps

(1949)

Screenplay

Atom Man vs. Superman

(1950)

Screenplay

Pirates of the High Seas

(1950)

Writer

Cody of the Pony Express

(1950)

Story

Mysterious Island

(1951)

Screenplay

Roar of the Iron Horse

(1951)

Screenplay

King of the Congo

(1952)

Screenplay

Son of Geronimo

(1952)

Story and Screenplay

Blackhawk

(1952)

Writer

The Lost Planet

(1953)

Screenplay

The Great Adventures of Captain Kidd

(1953)

Screenplay

Riding with Buffalo Bill

(1954)

Story and Screenplay

Gunfighters of the Northwest

(1954)

Screenplay and Story

Adventures of Captain Africa

(1955)

Screenplay and Story

Devil Goddess

(1955)

Writer

Blazing the Overland Trail

(1956)

Screenplay and Story

Perils of the Wilderness

(1956)

Story and Screenplay

Jungle Safari

(1956)

Screenplay

Zombies of Mora Tau

(1957)

Story

Sakima and the Masked Marvel

(1966)

Screenplay

Purple Death from Outer Space

(1966)

Writer

Spaceship to the Unknown

(1966)

Writer

Love Bound

(1932)

Continuity