Cast
Sonja [Chs. 2, 6-12] / Sonja
Dr. Alexis Zarkov / Dr. Zarkov
Prof. Gordon [Chs. 1, 4] / Professor Gordon
Man with Thinking Brain / Man with Thinking Brain [Ch. 1]
Gen. . Lupi [Chs. 1-2] / General Lupi
Prof. Drok [Chs. 11-12] / Professor Drok
Ming's Dancing Girl / Ming's Dancing Girl [Chs. 1, 3-4]
Guard Kroad / Kroad - Guard [Ch. 11]
King of the Rock People / King of the Rock People [Chs. 7-9]
Queen Grenda / Unidentified Role [no "Queen Grenda" in this film; that's just an IMDbism!]
Captain Torch / Capt. Torch
Ronal / Ronal [Chs. 1-12]
Arborian Prison Guard / Arborian Prison Guard [Ch. 10]
Captain Turan / Capt. Turan
Keedish [Chs. 6-7] / Keedish
Dr. Frohmann [Chs. 1, 4] / Dr. Frohmann
Professor Gordon's Radio Operator / Prof. Gordon's Radio Operator [Chs. 1, 4]
Scientist / Scientist [Chs. 1, 4]
Man of Low Intellect / Man of Low Intellect [Ch. 1]
Olga, Ming's Henchwoman / Olga - Ming's Henchwoman [Ch. 5]
Professor Gordon's Assistant / Prof. Gordon's Assistant [Ch. 1]
Ming's Soldier / Ming's Soldier [Chs. 3-5, 7-8, 12]
Captain Roka / Capt. Roka
Queen Fria / Queen Fria [Chs. 1-2]
Prince of the Rock People / Prince of the Rock People [Chs. 7-9]
Prof. Karm [Chs. 5-10] / Professor Karm
Barin's Ship #5 Commander
Ming's Soldier / Arborian Sentry / Ming's Soldier [Ch 6, 10-12] / Arborian Sentry [Ch 6]
Various Characters (voice) / Various Characters
Count Korro [Chs. 1-2] / Count Korro
Prof. Arden [Chs. 1, 4] / Professor Arden
Ming's Pilot / Ming's Pilot [Ch. 11]
Lieutenant Thong / Lt. Thong
Ming's Gong Girl / Ming's Gong Girl [Chs. 1-4]
Scientist / Scientist [Chs. 1, 4]
Capt. Sudan [Chs. 1-9] / Captain Sudan
