Spiders: MI5’s mainframe has been hacked into. But Tom and his team think they have found a lead in the form of an I.T. teacher, so Zoe is sent undercover to get close to him and find out his secrets. Will they be able to stop the culprit before the inner sanctum is breached and every agents identity revealed?
Regular Cast: Matthew Macfadyen (Tom Quinn), Keeley Hawes (Zoe Reynolds), David Oyelowo (Danny Hunter), Peter Firth (Harry Pearce), Shauna MacDonald (Sam Buxton)
Guest Cast: Rory Macgregor (Colin Wells), Nicola Walker (Ruth Evershed), Enzo Cilenti (Carlo), Natasha Little (Vicky), Hugh Simon (Malcolm), Robert Bowman, Chris Fairbank, John Salthouse, Laurence Mitchell, Augustus Prew, Jack Doolan, John Hopkins, Cate Fowler, Carlie Falco, Marsha Crosby, Leigh Funnelle
Writer: Matthew Graham / Director: Rob Bailey
Airdate: 16 Jun 2003 on BBC One
Series: Spooks Season 2 Episode 3
Show Info: The cases of a group of MI5 officers based at the service’s Thames House headquarters, in a highly secure suite of offices known as The Grid.