Official website: http://www.channel4.com/programmes/secret-state
Casts
Gabriel Byrne
Tom Dawkins
Ralph Ineson
Sgt. Wrigglesworth
Charles Dance
John Hodder
Rupert Graves
Felix Durrell
Gina McKee
Ellis Kane
Jamie Sives
Lee Foulds
Sylvestra Le Touzel
Ros Yelland
Lia Williams
Laura Duchenne
Anna Madeley
Gina Hayes
Ruth Negga
Agnes Evans
