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) inspired television output, with the NBC series "The Man from U.N.C.L.E.", which was described as the "first network television imitation" of Bond. The style of the Bond films, largely derived from production designer Ken Adam, is one of the hallmarks of the Bond film series, and the effect of his work on Dr. No's lair can be seen in another film he worked on, "Dr. Strangelove". As the first film in the series, a number of the elements of "Dr. No" were contributors to subsequent films, including Monty Norman's Bond theme and Maurice Binder's gun barrel sequence, variants of which