Flash Gordon's Trip to Mars

(1938)

Screenplay

Mars Attacks the World

(1938)

Screenplay

Sailors on Leave

(1941)

Story

Pals of the Pecos

(1941)

Screenplay

Saddlemates

(1941)

Screenplay

North of the Rockies

(1942)

Story

Address Unknown

(1944)

Screenplay

Last of the Redmen

(1947)

Screenplay

Adventures of Don Juan

(1948)

Story

Star of India

(1954)

Screenplay