Flash Gordon, Dale Arden and Dr. Zarkov return to the planet Mongo for an antidote to the Purple Death, which wreaking destruction on Earth. However, Ming the Merciless has other plans for them.
as Flash Gordon
as Dale Arden
as Ming the Merciless
as Sonja
as Dr. Zarkov
as Princess Aura
as Roka (an Arborian)
