Flash Gordon's Trip to Mars (1938)

When a deadly Nitron ray strikes Earth, Flash Gordon and his friends travel to Mars to battle Ming the Merciless and his new ally Queen Azura.

Directed by: Robert F. Hill, Ford Beebe

Starring: Buster Crabbe, Jean Rogers, Frank Shannon, Charles Middleton, Beatrice Roberts, Donald Kerr

Links: IMDb, Movie posters, Movie stills