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