Cast
Charles Sullivan
River Boat Crewman / Henchman
Frankie Thomas
Tim Tyler
William Benedict
Spud
Stanley Blystone
Capt. Clark
Ethan Laidlaw
Patrol Guard Rocky
Jack Mulhall
Sgt. Gates
Anthony Warde
Garry Drake
Everett Brown
Mogu
Ed Brady
Ivory Patrol Lieutenant
Harry Wilson
Henchman
Frances Robinson
Lora Lacey
Al Bridge
Capt. Trowbridge
Kenneth Harlan
Spencer, Trader
Al Shean
Professor Tyler
Charles Murphy
Henchman
Ernie Adams
Henchman Becker
Forbes Murray
The Doctor
Norman Willis
Spider Webb
William Desmond
Dock Official
Eddie Parker
Henchman
Frank Mayo
Jim Conway
Lane Chandler
Patrolman Kelly