Trailer
Cast
Buster Crabbe
Flash Gordon (archive footage)
Priscilla Lawson
Princess Aura (archive footage)
Jack 'Tiny' Lipson
King Vultan (archive footage)
Theodore Lorch
Priest #2 (archive footage)
Bull Montana
Monkey-Man (archive footage) (uncredited)
Glenn Strange
Robot / Ming soldier / Gocko (archive footage) (uncredited)
Harry Wilson
Captured soldier (archive footage) (uncredited)
Charles Middleton
Ming the Merciless (archive footage)
James Pierce
Prince Thun (archive footage)
Constantine Romanoff
Monkey-Man (archive footage) (uncredited)
George Cleveland
Prof. Henson (archive footage)
Lon Poff
The High Priest (archive footage)
Duke York
(scenes deleted) (archive footage) (as Duke York Jr.)
Al Ferguson
Telescreen monitor (archive footage) (uncredited)
Fred Kohler Jr.
Robot / Ming soldier (archive footage) (uncredited)
Jean Rogers
Dale Arden (archive footage)
Frank Shannon
Dr. Hans Zarkov (archive footage)
Richard Alexander
Prince Barin (archive footage)
Richard Tucker
Prof. Gordon (archive footage)
Lynton Brent
Transcontinental airplane pilot (archive footage) (uncredited)