Following a court battle with Ian Fleming over the novel Thunderball, McClory received a "based on a story by ..." credit in subsequent editions of the James Bond book.
Kevin O'Donovan McClory
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McClory wrote the Bond film 'Warhead' with Sean Connery and Len Deighton. The film was never made due to a High Court legal action brought by the Fleming Trustees and funded by Eon/Danjaq. The Trustees' bid failed and McClory's Bond rights were confirmed but production had already begun on the less contentious 'Never Say Never Again' (1984).