Flash Gordon
Dale Arden
The Emperor Ming
Dr. Hans Zarkov
Princess Aura
Prince Barin
Prince Vultan
Klytus
Kala
Arborian Priest
Fico
Luro
Zogi, the High Priest
Serving Girl
Munson
Hedonia
Biro
Vultan's Daughter
Mongon Doctor
Airline Pilot
Airline Co-Pilot
Man at Airfield
Young Treeman
A Treeman
Hawk Woman
Wounded Hawkman
Klytus Observer No. 1
Klytus Observer No. 2
Klytus' Pilot
Colonel of Battle Control
Battle Room Controller
Ming's Officer
Captain of Ming's Air Force
Lieutenant of Ming's Air Force
Prince of Ardentia
King of Frigia
Queen of Frigia
Queen of Azuria
Princess Aura's Pet
Special Movement
Hawkman
Sandmoon Girl
Cytherian Girl
Ming's Brute
Flashback Friend of Dr. Hans Zarkov (uncredited)
Air Force Officer (uncredited)