Peter Sellers modeled the voice of his character Clare Quilty on that of his director, Stanley Kubrick.
The iconic heart-shaped sunglasses which Lolita wears appear only in publicity photos, as well as the soundtrack album's cover, taken by Bert Stern; Lolita wears cat's eye sunglasses in the film.
Throughout the film, Lolita's mother and friends refer to her by the nickname; 'Lolita.' In the novel, Dolores Haze's nickname "Lolita" was given to her only by Humbert, and he was the only one who used the name. Lolita's mother used 'Lo' as Dolores' nickname.
Sue Lyon did not attend the New York premiere in June '62, as she was too young to see the film. However, she was allowed to attend the London premiere at the Columbia Theatre, in September.
Since the censors would not allow anything close to a suggestion of paedophilia, Lolita's age had to be increased from 12, in Vladimir Nabokov's original novel, to 14 for the film. They also objected to a scene where Humbert Humbert was to gaze at Lolita's picture while in bed with her mother Charlotte; in the end, the scene was filmed with Charlotte lying fully dressed on the bed and Humbert lying atop her, wearing a robe.