Diretor/a
Ford Beebe
DIRETOR/A
Ray Taylor
Elenco (na ordem dos créditos)
Buster Crabbe
Flash Gordon
Carol Hughes
Dale Arden
Charles Middleton
Emperor Ming
Anne Gwynne
Sonja [Chs. 2, 6-12]
Frank Shannon
Dr. Alexis Zarkov
John Hamilton
Prof. Gordon [Chs. 1, 4]
Herbert Rawlinson
Dr. Frohmann [Chs. 1, 4]
Tom Chatterton
Prof. Arden [Chs. 1, 4]
Shirley Deane
Princess Aura
Lee Powell
Capt. Roka
Roland Drew
Prince Barin
Don Rowan
Capt. Torch
Victor Zimmerman
Lt. Thong
Edgar Edwards
Capt. Turan
Ben Taggart
Gen. . Lupi [Chs. 1-2]
Michael Mark
Prof. Karm [Chs. 5-10]
Earl Dwire
Janda [Ch. 1]
Harry C. Bradley
Keedish [Chs. 6-7]
Sigurd Nilssen
Count Korro [Chs. 1-2]
Mimi Taylor
Verna [Ch. 5]
Byron Foulger
Prof. Drok [Chs. 11-12]
William Royle
Capt. Sudan [Chs. 1-9]
Ernie Adams
Minor Role(uncredited)
Roy Barcroft
Ming's Soldier [Ch 6, 10-12](uncredited)
Robert Blair
Jean Brooks
Olga - Ming's Henchwoman [Ch. 5](uncredited)
Allan Cavan
Man with Thinking Brain [Ch. 1](uncredited)
Wheaton Chambers
Scientist [Chs. 1, 4](uncredited)
Lane Chandler
Ming's Soldier [Chs. 3-5, 7-8, 12](uncredited)
Donald Curtis
Ronal [Chs. 1-12](uncredited)
Carmen D'Antonio
Ming's Dancing Girl [Chs. 1, 3-4](uncredited)
Harold Daniels
Luli Deste
Queen Fria [Chs. 1-2](uncredited)
Paul Douglas
Guard(uncredited)
John Elliott
Scientist(uncredited)
Jack Gardner
Prof. Gordon's Radio Operator [Chs. 1, 4](uncredited)
Jack George
Pat Gleason
Saul A. Goodkind
Various Characters(uncredited)(voice)
Reed Howes
Barin's Ship #5 Commander(uncredited)
Bill Hunter
Mala
Prince of the Rock People [Chs. 7-9](uncredited)
Vivian Mason
Ming's Gong Girl [Chs. 1-4](uncredited)
Eddie Parker
Arborian Prison Guard [Ch. 10](uncredited)
Ernie Payson
Joey Ray
Prof. Gordon's Assistant [Ch. 1](uncredited)
Paul Reed
Gene Rizzi
Ming's Soldier(uncredited)
Jack Roper
Man of Low Intellect [Ch. 1](uncredited)
Charles Sherlock
Kroad - Guard [Ch. 11](uncredited)
Clarice Sherry
Queen Grenda(uncredited)
Tom Steele
Ming's Pilot [Ch. 11](uncredited)
Charles Waldron Jr.
Chief Yowlachie
King of the Rock People [Chs. 7-9](uncredited)