The Adventures of Rex and Rinty

(1935)

Screenplay

The Fighting Marines

(1935)

Story

Tim Tyler's Luck

(1937)

Story and Screenplay

Wild West Days

(1937)

Screenplay

Secret Agent X-9

(1937)

Screenplay

Red Barry

(1938)

Screenplay

Flash Gordon's Trip to Mars

(1938)

Screenplay

Rocket Ship

(1938)

Original Story and Screenplay

Mars Attacks the World

(1938)

Screenplay

Boys' Reformatory

(1939)

Writer

Buck Rogers

(1939)

Writer

Squadron of Doom

(1949)

Screenplay

Planet Outlaws

(1953)

Writer

Buck Rogers

(1977)

Screenplay