El Chuncho's bandits rob arms from a train, intending to sell the weapons to Elias' revolutionaries. They are helped by one of the passengers, Bill Tate, and allow him to join them, unware of his true intentions.
Mary Rose Penso Beswick is a Jamaican-born British actress and model perhaps best known for her roles in two James Bond films, From Russia with Love (1963) and Thunderball (1965), who went on to appear in several other notable films in the 1960s. In 2019, she was inducted into the Rondo Hatton Classic Horror Awards' Monster Kid Hall of Fame.