Flash Gordon, Dale Arden and Dr. Hans Zarkov travel to the planet Mongo to fight the evil emperor Ming the Merciless.
Robert Ridgely
Flash Gordon (voice)
Diane Pershing
Dale Arden (voice)
Bob Holt
Dr. Hans Zarkov (voice)
David Opatoshu
Prince Vultan (voice)
Vic Perrin
Ming the Merciless (voice)
Melendy Britt
Princess Aura (voice)
Ted Cassidy
Prince Thun (voice)
Robert Douglas
Prince Barin (voice)
