Mala
Agent Ray Mala
Acting
Rex
Rex, the Wonder Horse
Acting
Mamo Clark
Princess Melani
Acting
Herbert Rawlinson
Grant Jackson
Acting
William Newell
Hank McGlaurie
Acting
John Ward
Anthony Tupper
Acting
John Dilson
E.G. Ellsworth
Acting
Selmer Jackson
Mr. Canfield
Acting
John Picorri
Porotu
Acting
George Chesebro
Draker, Island Operations Chief
Acting
Bob Kortman
Gang Yacht Capt. Wilson
Acting
George Cleveland
Goebel, Gang Scientist
Acting
Lloyd Whitlock
Lamar, Headquarters Gang Member [Chs. 1-6]
Acting
Tiny Roebuck
Eppa the Wrestler
Acting
Roscoe Gerald
Price - Cave Thug in Visor (uncredited)
Acting