Genre: Kejahatan dan Politik, Drama, Misteri
Bintang Aktor: Alec Guinness, Michael Jayston, Anthony Bate, George Sewell, Bernard Hepton, Ian Richardson
Crew: Tony Pierce-Roberts, Arthur Hopcraft, John le Carré, Geoffrey Burgon, Malcolm Webberley, Chris Wimble
Negara: GB
Studio: BBC Two
Runtime: 50:14 menit
Kualitas: HD
Tanggal udara pertama: Sep 10, 1979
Tanggal udara terakhir: Oct 22, 1979
Episode: 7 Episode
Season: 1 Season
IMDb: 3.477