Kadro (15)
Buster CrabbeFlash Gordon
Jean RogersDale Arden
Frank ShannonDr. Hans Zarkov
Charles MiddletonMing the Merciless
Priscilla LawsonPrincess Aura
Richard AlexanderPrince Barin
Jack 'Tiny' LipsonKing Vultan
James PiercePrince Thun
Theodore LorchHigh PriestEarl AskamOfficer Torch
Richard TuckerProfessor Gordon
George ClevelandProfessor Hensley
Glenn StrangeGocko/Robot/Soldier
Lon PoffFirst High Priest
Constantine RomanoffMonkey Man (uncredited)