The 12 Days of Christine resembled an arthouse film. From the beginning of the episode, there are clues to the content of the closing scenes, including the sound of a heartbeat, sounds associated with cars, and blue flashing lights. There are also a number of allusions to horror films; Fung is referred to as "the grudge", the Stranger's appearance evokes "Don't Look Now" and the throwing of eggs may be associated with "Ghostbusters". The name "Christine", too, can be seen as a reference to Stephen King's "Christine". For Chris Bennion, writing in "The Independent", the events of "The 12 Days of Christine" are a life
Christine Finn the leading female role, Barbara Judd, in the science-fiction horror serial "Quatermass and the Pit" (1958–59). Finn's career as a film actress, other than providing voices for two films based on "Thunderbirds", did not develop further. During Hammer Films' preparations for a film version of "Quatermass and the Pit", Barbara Shelley was cast as Judd, although Nigel Kneale, the writer of the "Quatermass" series, preferred Finn's performance. In a book about his work, written by Andy Murray, Kneale recalled: "I'd liked Christine very much ... but she wasn't the kind of screen star that Hammer wanted. So we got Barbara