Filmtrivia: Harry Potter And The Half-Blood Prince Was Extensively Color Graded And Due To The Film’s Overly Dark Tones, Warner Bros. Asked Director David Yates And Cinematographer Bruno Delbonnel To Add More Colors To The Film, As They Could Barely
Tyler appears in the film four times before we clearly see him on the moving walkway at the airport. In the first four appearances, he flashes on screen for a single frame (1/24 of a second) and only when the Narrator has insomnia: at the photocopier
