OVERVIEW | EPISODE GUIDE

Network: BBC One (United Kingdom)
Premiered: 13.May.2002
Status: Ended

Tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation.

CAST:
Calum Reed - Geoffrey Streatfield
Jed Kelley - Graeme Mearns
Erin Watts - Lara Pulver
Connie James - Gemma Jones
Fiona Carter - Olga Sosnovska
Tom Quinn - Matthew Macfadyen
Danny Hunter - David Oyelowo
Beth Bailley - Sophia Myles
Harry Pearce - Peter Firth
Ruth Evershed - Nicola Walker
Dimitri Levendis - Max Brown
Tariq Masood - Shazad Latif
Jo Portman - Miranda Raison
Lucas North - Richard Armitage
Ben Kaplan - Alex Lanipekun
Malcolm Wynn-Jones - Hugh Simon
Tessa Phillips - Jenny Agutter
Ros Myers - Hermione Norris
Helen Flynn - Lisa Faulkner
Adam Carter - Rupert Penry-Jones
Sam Buxton - Shauna MacDonald
Colin Wells - Rory MacGregor
Zoe Reynolds - Keeley Hawes
Zafar Younis - Raza Jaffrey