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