Despite these changes, the 1954 Casino Royale is by far the closest to the novel in terms of the time it was set.
However, it is worth mentioning that the other two adaptations of Casino Royale also diverge significantly from the novel, albeit in very different ways.
Though Casino Royale is regarded as the first onscreen appearance of the character James Bond, it changes the nationalities of many of the main characters and he becomes an American agent with 'Combined Intelligence'. It is also the first of three screen adaptations of Ian Fleming's novel Casino Royale, with two cinematic versions succeeding it: the psychedelic comedy version of Casino Royale in 1967 and a more serious, updated Eon version in 2006, over fifty years later, marking Daniel Craig's debut. Its main significance to Bond fans is that it represents the first attempt at a screen adaptation of a James Bond novel, around eight years before EON Productions took up the reins with Dr. Casino Royale is a television adaptation, released in 1954, of the novel of the same name by Ian Fleming.
