Roy Holder plays a cameo part as the older road worker who talks to Williams when he opens flat window. Holder was a main character in the movie Loot (1970), by Joe Orton, Williams' close friend.

The music that scores the closing scenes and voiceover and goes into the end credits, is taken from the soundtrack for The Hours (2002), composed by Philip Glass. The first track is "For Your Own Benefit", followed by "Why Does Someone Have to Die?"

At the age of eighty-two, Nicholas Parsons appears as himself when he was in his mid-fifties.