A mysterious plague, the Purple Death, ravages the earth. Dr. Zarkov, investigating in his spaceship, finds a ship from planet Mongo seeding the atmosphere with dust. Sure enough, Ming the Merciless is up to his old tricks. So it's back to Mongo for Flash, Dale, and Zarkov.
Release: 1940
Rating: 5.8
Genre: Science Fiction, Action
Duration: 195 min
Country: United States of America
Production: Universal Pictures, King Features Syndicate
Buster Crabbe
as Flash Gordon
Carol Hughes
as Dale Arden
Charles Middleton
as Emperor Ming
Anne Gwynne
as Sonja
Frank Shannon
as Dr. Zarkov
John Hamilton
as Professor Gordon