A serial in 12 chapters. Tarzan goes to Guatemala to find his lost friend, D'Arnot. On the way he helps Major Matling search Mayan ruins for hidden jewels and an idol containing the formula for a powerful explosive. D'Arnot and the idol are rescued, but the idol falls into the clutches of the explorer Raglan.
Cast and Crew
Bruce Bennett
Tarzan
Ula Holt
Ula Vale
Ashton Dearholt
P.B. Raglan
Frank Baker
Maj. Francis Martling
Lewis Sargent
George
Harry Ernest
Gordon Hamilton
Dale Walsh
Alice Martling
Jean De Briac
Lt. d'Arnot
Merrill McCormick
Bouchart [Ch.1]
Jack Mower
Ula's Companion at Resort [Ch.1] / Capt. Simon Blade [Ch.11]
