Rent The Magnificent Three (1979)

Kung Fu's hidden treasure Tony Poon teams up with Japanese superstars Yasasuki Kurata and Bronson Lee to play 3 martial mates who find themselves imprisoned on the tropical island of Dominica with little hope of escape. But they come to the attention of an Army General who plans to put their excellent skills to good use in order to get even with a cruel Mafia-based relative... Non stop kung-fu action from start to finish, featuring some of the biggest names in the martial arts.