Dr. No (film) that followed him. Bond, after overpowering Quarrel and his friend Puss Feller, meets Quarrel's passenger, Felix Leiter, a CIA agent on the same mission as Bond. The CIA has traced the radio jamming signal to Jamaica, but has not determined its exact origin. Quarrel, who is assisting Leiter, reveals that he had been guiding Strangways around the nearby islands to collect mineral samples. He also mentions the reclusive Dr. No, the owner of Crab Key, an island rigorously protected against trespassers by an armed security force. In Strangways' house, Bond finds a receipt from Professor R.J. Dent concerning rock samples.
Dr. No (film) just over $5 billion in box office returns alone, making the series one of the highest-grossing ever. It is estimated that since "Dr. No", a quarter of the world's population have seen at least one "Bond" film. "Dr. No" also launched a successful genre of "secret agent" films that flourished in the 1960s. The UK Film Distributors' Association have stated that the importance of "Dr. No" to the British film industry cannot be overstated, as it, and the subsequent "Bond" series of films, "form the backbone of the industry". "Dr. No" – and the "Bond" films in general – also