Sci-Fi Mystery Action
A variety of people are searching for a long-hidden treasure somewhere on an island. Chapters: 1. The Isle of Fear, 2. The Ghost Talks, 3. The Phantom Duel, 4. Buried Alive, 5. The Girl Who Vanished, 6. Trapped by the Flood, 7. The Cannon Roars, 8. The Circle of Death, 9. The Pirate's Revenge, 10. The Crash, 11. Dynamite, 12. The Bridge of Doom, 13. The Mad Flight, 14. The Jaws of Destruction, 15. Justice
Directed by
Elmer Clifton
Yakima Canutt
Dreer (Mole-Men Leader)
Hobart Bosworth
Dr. X
Dave O'Brien
Det. Jameson [Chs. 4-7]
William Farnum
George Brennan Westmore (Editor)
Colin Campbell
Hawkins (the Butler) [Chs. 1-3]
Don Terry
Larry Kent
Walter Miller
Carter 'The Shark' Collins
Warner Richmond
Capt. Tom Stanton, alias Capt. Tom Faxton [Ch.1]
William Royle
Paul Thorndyke [Ch.1]
Grant Withers
Roderick Gridley
Joe Caits
Saltwater Jerry [Chs.1,4-7,13-15]
Gwen Gaze
Toni Morrell
George Rosener
Capt. Samuel Cuttle
Sandra Karina
Nurse Zanya
P.J. Kelly
Prof. Gault

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