ITV3 Prime Suspect Catch up on the ITV Hub Tense, uncompromising crime drama by the distinguished dramatist and novelist Lynda La Plante. Highly skilled Detective Inspector Jane Tennison battles to prove herself in a male dominated world. Stars Helen Mirren. 1 episode available to watch Share this programme: Share on Facebook Share on Twitter Share on Google+ Series 7 2. The Final Act (Part 2) Sat Saturday 26 Aug 1.45am Tennison has to make one of her toughest decisions.