Season nine of longrunning British spy thriller quotMI5quot opens with Ros#39 Hermione Norris funeral, where Harry Peter Firth learns of a shocking betrayal at the highest level Also this season, the agents go after Somali terrorist Hussein Abib Peter Bankole, a scandalous secret from Lucas#39 Richard Armitage past is unveiled, and a growing bond develops between Ruth and Harry Sophia Myles and Max Brown join the cast as agents Beth Bailey and Dimitri Levendis
