Motifs in the James Bond film series the degree to which Bond girls are pivotal to propelling the plot forward varies from one film to the next. Five of the Bond girls are "bad" girls (or at least working for the villain) who turn "good" (or switch sides) usually due to Bond's influence. Bond has fallen in love with only Tracy di Vicenzo in "On Her Majesty's Secret Service" and Vesper Lynd in "Casino Royale", but both of them die at or near the end of the respective films. Roald Dahl, a screenwriter of "You Only Live Twice", said he was given a formula to work to
Casino Royale (2006 film) fifth best of the series, and chose Vesper Lynd as the fourth best Bond girl in the series. Some newspaper columnists and critics were impressed enough by Craig's performance to consider him a viable candidate for an Academy Award nomination. Roger Ebert gave the film a four out of four star rating, and wrote that "Craig makes a superb Bond ... who gives the sense of a hard man, wounded by life and his job, who nevertheless cares about people and right and wrong," and that the film "has the answers to all my complaints about the 45-year-old James Bond