Is thuderball a James Bond film?

Yes, Thunderball is a James Bond film. It is the fourth film in the James Bond series, produced by Eon Productions, and released in 1965. It is based on the 1961 novel of the same name by Ian Fleming. The film stars Sean Connery as James Bond, and also features Adolfo Celi, Claudine Auger, Luciana Paluzzi, and Rik Van Nutter. The film was directed by Terence Young.