Spaceship to the Unknown
Directed by Frederick Stephani
Plot
A heavy condensation of the original serial compresses the original thirteen episodes into an efficient 97 minute feature. 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.
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Cast
Buster Crabbe
Flash Gordon (archive footage)
Jean Rogers
Dale Arden (archive footage)
Frank Shannon
Dr. Hans Zarkov (archive footage)
Charles Middleton
Ming the Merciless (archive footage)
Priscilla Lawson
Princess Aura (archive footage)
Richard Alexander
Prince Barin (archive footage)
Jack 'Tiny' Lipson
King Vultan (archive footage)
James Pierce
Prince Thun (archive footage)
Earl Askam
Officer Torch (archive footage)
Richard Tucker
Prof. Gordon (archive footage)
George Cleveland
Prof. Henson (archive footage)
Lon Poff
The High Priest (archive footage)
Charles McMurphy
Atom Furnace supervisor (archive footage)
Theodore Lorch
Priest #2 (archive footage)
Duke York
(scenes deleted) (archive footage) (as Duke York Jr.)