He is joined by Rachel Young, played by Ashley Jensen, a Special Branch operative who acts primarily as his bodyguard, as Hood has made powerful enemies through his work.

[1] When Eleventh Hour went into pre-production in April 2005, it raised considerable interest and media attention, both because of Stewart's involvement and the budget allocated to the series by ITV, which was reportedly around £4.5 million.

[2] Material was added to the scripts by producer Simon Stephenson after the early episodes went into production, and creator Stephen Gallagher left his role on the series because of it.

Gallagher claimed that the reason behind his departure was because his essentially "science-based crime-drama" had unwanted sci-fi material written into it without his consent.

[8] American actress Marley Shelton co-starred as FBI Special Agent Rachel Young.