It was also intended that the episode established that although spies plan heavily before operations, things can go wrong. Among the main cast, Peter Firth was attracted to appearing on Spooks after hearing of Howard Brenton's involvement in the series.
It was also intended that the episode would demonstrate that although spies meticulously prepare before operations, things can go awry. Among the main cast, Peter Firth was drawn to appearing in Spooks after learning of Howard Brenton's involvement with the series.