Released:

Overview:
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.

Director:

Runtime:
NaNh NaNmin

Genre:
Drama, Action & Adventure, Crime

• Cast:
• 
  Peter Firth
  as
  Harry Pearce
• 
  Nicola Walker
  as
  Ruth Evershed
• 
  Max Brown
  as
  Dimitri Levendis
• 
  Lara Pulver
  as
  Erin Watts
• 
  William Hope
  as
  Jim Coaver