Tim Tyler
Lora Lacey
Sgt. Gates
Professor Tyler
Spider Webb
Garry Drake
Jules Lazarre
Spud
Jim Conway
Brent
Capt. Clark
Mogu
JuJu
Henchman Becker
Ivory Patrol Lieutenant
Capt. Trowbridge
Patrolman Kelly
Dock Official
Spencer, Trader
Patrol Guard Rocky
Native
Henchman
Henchman
The Doctor
Patrolman Berry
Henchman
Ivory Patrolman
River Boat Crewman / Henchman
Henchman