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