
Plot
Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to lead an investigative mission into outer space and onto the speedily approaching planet. There, he and his best girl, Dale, who is along for the ride, learn that Ming, the devious ruler of Mongo, has purposely put the planet on a collision course with Earth, and only Flash can stop him.
Trailer
Cast

Buster Crabbe
Flash Gordon

Jean Rogers
Dale Arden

Frank Shannon
Dr. Hans Zarkov

Charles Middleton
Ming the Merciless

Priscilla Lawson
Princess Aura

Richard Alexander
Prince Barin

Jack 'Tiny' Lipson
King Vultan

James Pierce
Prince Thun

Theodore Lorch
High Priest

Earl Askam
Officer Torch

Richard Tucker
Professor Gordon

George Cleveland
Professor Hensley

Glenn Strange
Gocko/Robot/Soldier

Lon Poff
First High Priest

Constantine Romanoff
Monkey Man (uncredited)