Thunder Island is a 1963 American action film directed by Jack Leewood, written by Don Devlin and Jack Nicholson, and starring Gene Nelson, Fay Spain, Brian Kelly, Míriam Colón, Art Bedard and Antonio Torres Martino. The film was made by Robert L. Lippert's Associated Producers and released in September 1963, by 20th Century Fox. Actor Jack Nicholson co-wrote the screenplay.