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Buster Crabbe
Flash Gordon
Jean Rogers
Dale Arden
Frank Shannon
Dr. Alexis Zarkov
Charles Middleton
Ming the Merciless
Beatrice Roberts
Azura, Queen of Mars
Donald Kerr
'Happy' Hapgood
Richard Alexander
Prince Barin
C. Montague Shaw
The Clay King
Wheeler Oakman
Tarnak
Kenne Duncan
The Martian Airfield Captain
Kane Richmond
Talgon's Brother - a Martian Captain
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