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