"Bright Young Things" was the working title of "Vile Bodies", the book upon which the film is based.
The film is produced by Doubting Hall Productions, reflecting Colonel Blount's (resident of Doubting Hall) foray into film-making in Evelyn Waugh's "Vile Bodies", the book on which the film is based.
Director Stephen Fry commissioned two contemporary songs from The Pet Shop Boys for the movie - a cover version of Noel Coward's The Party's Over Now and a Pet Shop Boys-penned title track. These songs were written and recorded, but were edited out in the last minute because the director decided to stick to period music.