Buster Crabbe
Flash Gordon
Acting
Carol Hughes
Dale Arden
Acting
Charles Middleton
Emperor Ming
Acting
Anne Gwynne
Sonja
Acting
Frank Shannon
Dr. Zarkov
Acting
John Hamilton
Professor Gordon
Acting
Herbert Rawlinson
Dr. Frohmann
Acting
Tom Chatterton
Professor Arden
Acting
Shirley Deane
Princess Aura
Acting
Lee Powell
Captain Roka
Acting
Roland Drew
Prince Barin
Acting
Don Rowan
Captain Torch
Acting
Victor Zimmerman
Lieutenant Thong
Acting
Edgar Edwards
Captain Turan
Acting
Michael Mark
Professor Karm
Acting
Earl Dwire
Janda
Acting
Harry C. Bradley
Keedish
Acting
Sigurd Nilssen
Count Korro
Acting
Mimi Taylor
Verna
Acting
Byron Foulger
Professor Drok
Acting
William Royle
Captain Sudan
Acting
Donald Curtis
Ronal (uncredited)
Acting
Luli Deste
Queen Fria (uncredited)
Acting
Ben Taggart
General Lupi (uncredited)
Acting
Allan Cavan
Man with Thinking Brain (uncredited)
Acting
Jack Roper
Man of Low Intellect (uncredited)
Acting
Reed Howes
Barin's Ship #5 Commander (uncredited)
Acting
Charles Sherlock
Guard Kroad (uncredited)
Acting
Mala
Prince of the Rock People (uncredited)
Acting
Chief Yowlachie
King of the Rock People (uncredited)
Acting
Jack Gardner
Professor Gordon's Radio Operator (uncredited)
Acting
Joey Ray
Professor Gordon's Assistant (uncredited)
Acting
Roy Barcroft
Ming's Soldier / Arborian Sentry (uncredited)
Acting
Lane Chandler
Ming's Soldier (uncredited)
Acting
Gene Rizzi
Ming's Soldier (uncredited)
Acting
Wheaton Chambers
Scientist (uncredited)
Acting
John Elliott
Scientist (uncredited)
Acting
Jack George
Scientist (uncredited)
Acting
Jean Brooks
Olga (uncredited)
Acting
Carmen D'Antonio
Ming's Dancing Girl (uncredited)
Acting
Vivian Mason
Ming's Gong Girl (uncredited)
Acting
Ernie Adams
(uncredited)
Acting
Clarice Sherry
(uncredited)
Acting
Tom Steele
Ming's Pilot (uncredited)
Acting
Eddie Parker
Arborian Prison Guard (uncredited)
Acting
Bill Hunter
Guard (uncredited)
Acting
Robert Blair
(uncredited)
Acting
Harold Daniels
(uncredited)
Directing
Pat Gleason
(uncredited)
Acting
Ernie Payson
(uncredited)
Acting
Paul Reed
(uncredited)
Acting
Charles Waldron Jr.
(uncredited)
Acting
Saul A. Goodkind
Various Characters (voice) (uncredited)
Editing