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
Grant Withers
Roderick Gridley
Yakima Canutt
Dreer (Mole-Men Leader)
Dave O'Brien
Det. Jameson [Chs. 4-7]
Hobart Bosworth
Dr. X
Walter Miller
Carter 'The Shark' Collins
William Royle
Paul Thorndyke [Ch.1]
William Farnum
George Brennan Westmore (Editor)
Warner Richmond
Capt. Tom Stanton, alias Capt. Tom Faxton [Ch.1]
Colin Campbell
Hawkins (the Butler) [Chs. 1-3]
Joe Caits
Saltwater Jerry [Chs.1,4-7,13-15]
Gwen Gaze
Toni Morrell
Don Terry
Larry Kent
George Rosener
Capt. Samuel Cuttle
Sandra Karina
Nurse Zanya
P.J. Kelly
Prof. Gault

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