Flash Gordon's Trip to Mars 1938

Synopsis:

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: Ford Beebe & Robert F. Hill
Written by: Wyndham Gittens & Norman S. Hall & Herbert Dalmas & Ray Trampe
Runtime: 229 minutes
Tagline: 15 Sensational Sense-Staggering Episodes!
Cast:
Buster Crabbe
Buster Crabbe
Flash Gordon 
Jean Rogers
Jean Rogers
Dale Arden 
Frank Shannon
Frank Shannon
Dr. Zarkov 
Charles Middleton
Charles Middleton
Emperor Ming 
Beatrice Roberts
Beatrice Roberts
Queen Azura 
Donald Kerr
Donald Kerr
Happy Hapgood