Buster Crabbe
Flash Gordon
Jean Rogers
Dale Arden
Frank Shannon
Dr. Zarkov
Charles Middleton
Emperor Ming
Beatrice Roberts
Queen Azura
Donald Kerr
Happy Hapgood
Richard Alexander
Prince Barin
C. Montague Shaw
Clay King
Wheeler Oakman
Tarnak
Kane Richmond
Stratosled Pilot (Talgon's Brother)
Warner Richmond
Zandar
Anthony Warde
King Turan of the Forest People
Kenne Duncan
Airdrome Captain
Jack Mulhall
Bomber Captain
Lane Chandler
Flight Commander
Ben Lewis
Professor