. "Series 4, Episode 5" . "Joanna \"Jo\" Portman (1979\u20132010) was a fictional Field Operative in the Counter-Terrorism department at MI5, featured in the British television series, Spooks, also known as MI5 in the United States. She was played by Miranda Raison. A former aspiring journalist, she joined the team in the fifth episode of series 4 after being recruited by Adam Carter; Jo retained her journalist occupation as her MI5 cover. She was killed in a volatile hostage situation in the third episode of the eighth series."@en . "Jo Portman"@en . .