Tim Tyler

Frankie Thomas

Lora Lacey

Frances Robinson

Sgt. Gates

Jack Mulhall

Professor Tyler

Al Shean

Spider Webb

Norman Willis

Garry Drake

Tony Ward

Lazarre

Earl Douglas

Garry Drake

Anthony Warde

James Conway

Frank Mayo

Spud

Bill Benedict

Spud

William Benedict

Brent

Alan Gregg

Capt. Clark

Stanley Blystone

Mogu

Everett Brown

JuJu

Skippy

Henchman Becker

Ernie Adams

Ivory Patrol Lieutenant

Ed Brady

Capt. Trowbridge

Alan Bridge

Patrolman Kelly

Lane Chandler

Dock Official

William Desmond

Spencer, Trader

Kenneth Harlan

Patrol Guard Rocky

Ethan Laidlaw

Native

William McClain

Henchman

Chuck Morrison

Henchman

Charles Murphy

The Doctor

Forbes Murray

Patrolman Berry

Pat O'Brien

Patrolman Berry

Pat J. O'Brien

Henchman

Eddie Parker

Ivory Patrolman

Tom Steele

River Boat Crewman / Henchman

Charles Sullivan

Henchman

Harry Wilson