- HD 1080
- Runtime: 65m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Jack Leewood
- Stars: Gene Nelson, Brian Kelly, Fay Spain, Miriam Colon, Antonio Torres Martinó
- Production_studio: Associated Producers (API), Cooperativa de Artes Cinematograficas, Producciones del Viejo San Juan
- Slogan: The one bullet that could send terror screaming through the whole Caribbean!
- The Thunder Island is featured in the top rankings of 1963
- #20 in Top Action Movies of 1963
- #33 in Top Thriller Movies of 1963
A hit man hijacks a boat — and the married couple aboard — in order to carry out a contract on a dictator in the Caribbean.
