MI-5/Spooks Character List
Tom Quinn (Matthew MacFayden): Head of the MI-5 team, whose job constantly interferes with his personal life.

Zoe Reynolds (Keeley Hawes): Part of Tom's team. She is an expert at going undercover, but occasionally makes extremely poor decisions.

Danny Hunter (David Oyelono): Part of Tom's team. Expert at survaillance and computer hacking. He shares a flat with Zoe.

Harry Pearce (Peter Firth): Head of the counter-terrorism department, he oversees Tom's missions. His dispassionate judgement leaves no room for personal opinions, only the job to be done.

Malcolm Wynn-Jones (Hugh Simon): He's a crack gadget maker and back-room analyst. His low-key role is important to the success of the missions.

Tessa Phillips (Jenny Agutter): Veteran member of MI-5. The younger members look up to her, but she has become bitter because she thought she should have gotten Harry's job.

Ellie Simm (Esther Hall): Her relationship with Tom puts her and her daughter in danger.

Maisie Simm (Heather Cave): Ellie's daughter who is also put in danger by her mother's relationship with Tom.

Sam Buxton (Shauna Macdonald): Sam is young and inexperienced, but eager to please.

Ruth Evershed (Nicola Walker): Ruth has long wanted to work for MI5 and now that she's got the chance, she shows her expert talent at research analysis.

Christine Dale (Megan Dodds): CIA operative in the UK who liaises with Tom to share information between the UK and the US.

Vicki Westbrook (Natasha Little): Tom's carefree doctor girlfriend who fails in her attempts to change him more to her liking.

Adam Carter (Rupert Penry-Jones): Adam is brought into the counter-terrorism department as Tom's loyalty is questioned.