巴斯特·克拉比

Buster Crabbe

饰：Flash Gordon

琼·罗杰斯

Jean Rogers

饰：Dale Arden

Frank Shannon

饰：Dr. Hans Zarkov

查尔斯·米德尔顿

Charles Middleton

饰：Ming the Merciless

Priscilla Lawson

饰：Princess Aura

理查德·亚历山大

Richard Alexander

饰：Prince Barin

Jack 'Tiny' Lipson

饰：King Vultan

詹姆斯·皮尔斯

James Pierce

饰：Prince Thun

Earl Askam

饰：Officer Torch

George Cleveland

饰：Prof. Henson

Lon Poff

饰：The High Priest

Charles McMurphy

饰：Atom Furnace supervisor

Theodore Lorch

饰：Priest #2

Duke York

饰：(scenes deleted) (archive footage) (as Duke York Jr.)

Jean Rogers