Nyoka Gordon
Dr. Larry Grayson
Red Davis (as William Benedict)
Vultura
Cassib
Benito Torrini [Chs.1-10]
Prof. Douglas Campbell
Prof. Henry Gordon [Chs. 4-15]
John Spencer
Maghreb - Vultura's High Priest [Chs.1-4,7,9,15] (as George Renavent)
Lhoba - Tuareg High Priest [Chs.4-7,12-13]
Batan, Arab Henchman (as George Lewis)
Ben Ali [Ch. 1 ]
Ahmed - Arab Henchman
Abu (as Kenneth Duncan)
Bedouin 1[Ch. 1]
Fang the Dog (uncredited)
Sidi, a Tuareg [Ch. 4] (uncredited)
Brass Trinket-Maker Henchman [Ch.1] (uncredited)
Arab Woman (uncredited)
Tuareg (uncredited)
Arab (uncredited)
Arab [Ch. 2] / Tuareg (uncredited)
Tuareg Woman [Ch.9] (uncredited)
Hassan, Arab henchman (uncredited)
Guard (uncredited)
Bedouin [Ch. 1] (uncredited)
Yussuf [Ch.1] (uncredited)
Palace Entrance Guard [Chs. 1, 3, 8, 15] (uncredited)
Villager (uncredited)
Taureg (uncredited)
Jitters the Monkey (uncredited)
Maj. Reynolds [Ch. 1] (uncredited)
Ibrahim - Bedouin [Ch.1] (uncredited)
Arab Warrior [Chs. 3, 11-12, 14] / Tuareg Guard [Chs. 6, 8-9, 12] (uncredited)
Arab / Tuareg / Guard (uncredited)
Translator [Ch. 14] (uncredited)
Satan the Ape [Chs.1,4,7,15] (uncredited)
Tuareg Leader [Chs. 8-9] (uncredited)