The fourth series of the BBC espionage television series Spooks began broadcasting on 12 September 2005 before ending on 10 November 2005. The series consists of ten episodes. Cast Main Rupert Penry-Jones as Adam Carter Olga Sosnovska as Fiona Carter Raza Jaffrey as Zafar Younis Miranda Raison as Jo Portman Hugh Simon as Malcolm Wynn-Jones Rory MacGregor as Colin Wells with Nicola Walker as Ruth Evershed and Peter Firth as Harry Pearce Guests Anna Chancellor as Juliet Shaw James Dicker as Wes Carter William Armstrong as Alex Roscoe Phyllis Logan as Diana Jewell Lindsay Duncan as Angela Wells (episode 10) Episodes Notes References External links 2005 British television seasons Spooks (TV series)