Between Men

(1935)

Adaptation

The New Adventures of Tarzan

(1935)

Screenplay

Western Courage

(1935)

Story

The Courageous Avenger

(1935)

Story and Screenplay

The New Adventures of Tarzan

(1935)

Writer

Valley of the Lawless

(1936)

Screenplay and Story

Tundra

(1936)

Screenplay

Outlaws of the Orient

(1937)

Screenplay

Lightnin' Crandall

(1937)

Adaptation

Colorado Kid

(1937)

Screenplay

Ridin' the Lone Trail

(1937)

Adaptation

Guns in the Dark

(1937)

Screenplay and Adaptation

Shadows of the Orient

(1937)

Adaptation

Tarzan and the Green Goddess

(1938)

Screenplay

Gangs of New York

(1938)

Screenplay

The Old Barn Dance

(1938)

Screenplay

Colorado Trail

(1938)

Screenplay

Rio Grande

(1938)

Screenplay

Trouble in Sundown

(1939)

Story

The Taming of the West

(1939)

Screenplay

Outpost of the Mounties

(1939)

Screenplay and Story

Texas Stampede

(1939)

Writer

Lone Star Raiders

(1940)

Story

The Man from Tumbleweeds

(1940)

Screenplay

North from the Lone Star

(1941)

Screenplay

A Tornado in the Saddle

(1942)

Screenplay

The Girl in the Case

(1944)

Story

Dark Mountain

(1944)

Story

Purity Squad

(1945)

Writer

A Gun in His Hand

(1945)

Screenplay

Arctic Fury

(1949)

Screenplay

All That I Have

(1951)

Writer

God Is My Partner

(1957)

Writer

The Indians Are Coming

(1930)

Uncle Amos (as Charles Royal)