Flash Gordon

Buster Crabbe

Acting

Dale Arden

Jean Rogers

Acting

Dr. Alexis Zarkov

Frank Shannon

Acting

Ming the Merciless

Charles Middleton

Acting

Azura, Queen of Mars

Beatrice Roberts

Acting

'Happy' Hapgood

Donald Kerr

Acting

Prince Barin

Richard Alexander

Acting

The Clay King

C. Montague Shaw

Acting

Tarnak

Wheeler Oakman

Acting

The Martian Airfield Captain

Kenne Duncan

Acting

Talgon's Brother - a Martian Captain

Kane Richmond

Acting