In the Fabulous Thirties, Doc Savage and his five Amazing Adventurers are sucked into the mystery of Doc's father disappearing in the wilds of South America. The maniacal Captain Seas tries to thwart them at every turn as they travel to the country of Hidalgo to investigate Doc's father's death and uncover a vast horde of Incan gold.
| Actor | Role |
|---|---|
 Ron ElyClark 'Doc' Savage Jr. | Clark 'Doc' Savage Jr. |
 Paul GleasonMaj. Thomas J. 'Long Tom' Roberts | Maj. Thomas J. 'Long Tom' Roberts |
 William LuckingCol. John 'Renny' Renwick | Col. John 'Renny' Renwick |
 Michael MillerLt. Col. Andrew Blodgett 'Monk' Mayfair | Lt. Col. Andrew Blodgett 'Monk' Mayfair |
| EEldon QuickWilliam Harper 'Johnny' Littlejohn | William Harper 'Johnny' Littlejohn |
 Darrell ZwerlingBrig. Gen. Theodore Marley 'Ham' Brooks | Brig. Gen. Theodore Marley 'Ham' Brooks |
 Paul WexlerCapt. Seas | Capt. Seas |
| JJanice HeidenAdriana | Adriana |
 Robyn HiltonKaren | Karen |
 Pamela HensleyMona | Mona |
| BBob CorsoDon Rubio Gorro | Don Rubio Gorro |
 Carlos RivasKulkan | Kulkan |
| CChuy FrancoCheelok | Cheelok |
 Alberto MorinJose | Jose |
 Victor MillanChief Chaac | Chief Chaac |
 Michael BerrymanCoroner | Coroner |
 Robert TessierDutchman | Dutchman |
 Grace StaffordLittle Lady | Little Lady |
 Dar RobinsonNative | Native |