Aerial Telly: Extras: Fan-written critique of the series.BBC Comedy: Extras: Official site. Contains news, interviews, photographs, cast and character profiles, video clips and a list of guest stars.BBC News: Extras 'a nightmare' says Gervais: 'Ricky Gervais has revealed his new BBC sitcom Extras was a "logistical nightmare" to shoot - because of his celebrity guest stars' busy schedules.'HBO: Extras: Offers a synopsis of the show, character profiles, video clips, interviews, an episode guide and message board.IMDb: Extras: A full list of cast and crew with a message board, viewer comments and links.Off The Telly: Extras: Review of the programme, penned by Lee Madge.PopMatters: Extras: Review by Tim Whitelaw.Scotland on Sunday: Not just another day in the office: James Rampton interviews Ricky Gervais about the series.Wikipedia: Extras: Article containing a synopsis of the programme, an episode guide, trivia, a list of regular and guest cast, and links to related material.