It's a fine line between safety and terror. Meet the rulers.
Tense drama series about the different challenges faced by the British Security Service as they work against the clock to safeguard the nation. The title is a popular colloquialism for spies, and the series follows the work 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.
Created byDavid Wolstencroft
- Status
- Ended
- Language
- EN
- First aired
- May 13, 2002
- Last aired
- October 23, 2011
- Seasons
- 10
- Episodes
- 86
Season 1
Episodes
No episodes found for this season.
Featuring
Cast & crew
Peter Firth
Harry Pearce
Nicola Walker
Ruth Evershed
Max Brown
Dimitri Levendis
Lara Pulver
Erin Watts
William Hope
Jim Coaver
Alex Lanipekun
Ben Kaplan
Geoffrey Streatfeild
Calum Reed
Tom Weston-Jones
Sasha Gavrik
Alice Krige
Elena Gavrik
Jonathan Hyde
Ilya Gavrik
- Created by
- David Wolstencroft
- Showrunner
- Jane Featherstone
Gareth Neame
Keep watching
More like this
8.1Skins
2007 · Series
6.8Fleming
2014 · Series
8.5Peaky Blinders
2013 · Series
Disguised Family
2026 · Series
6.9The Girl from U.N.C.L.E.
1966 · Series
7.5Elizabeth R
1971 · Series
6.2Casualty
1986 · Series
7.0The XYY Man
1976 · Series
6.5Scully
1984 · Series
8.2Pride and Prejudice
1995 · Series
7.3Danger Man
1960 · Series
6.7Q-Force
2021 · Series
8.5Crash Landing on You
2019 · Series
7.2Chasing Shadows
2014 · Series
6.9The Agency
2001 · Series
8.0Our Zoo
2014 · Series
5.8Mary-Kate and Ashley in Action
2001 · Series
6.6Oranges Are Not the Only Fruit
1990 · Series
7.5Wolf Hall
2015 · Series
6.7Allegiance
2015 · Series
Picked for you
Recommended shows
6.8Treason
2022 · Series
7.7The Night Manager
2016 · Series
6.9Citadel
2023 · Series
7.0Black Doves
2024 · Series
7.8Alex Rider
2020 · Series
6.8Arrow
2012 · Series
6.7Deep State
2018 · Series
6.7Citadel Honey Bunny
2024 · Series
7.6The Capture
2019 · Series
6.4Legends
2014 · Series
6.5The Veil
2024 · Series
7.2Fool Me Once
2024 · Series
8.2The Day of the Jackal
2024 · Series
7.0Cross
2024 · Series
7.7The Night Agent
2023 · Series
8.0Bosch: Legacy
2022 · Series
7.4The Unit
2006 · Series
5.8Five Days
2007 · Series
6.8The Assassin
2025 · Series
7.0Who Is Erin Carter?
2023 · Series