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