Helen Mirren returns as DCS Jane Tennison in a new adventure, positively the last Prime Suspect. In the first of the two-part Prime Suspect 7, Jane investigates the disappearance of a fourteen-year-old girl, and finds hidden depths.
| Name | Type | Role | |
|---|---|---|---|
| Rebecca Clay | Actor | Staff Nurse | |
| Clive Hayward | Actor | Pathologist | |
| Brendan Coyle | Actor | DCS Mitchell | |
| Helen Mirren | Actor | DSI Jane Tennison | |
| Nonso Anozie | Actor | Robert | |
| Carolyn Pickles | Actor | Pauline | |
| Katy Murphy | Actor | Ruth Sturdy | |
| Tim Preece | Actor | AA Speaker | |
| Ricky Nixon | Actor | Lester Bishop | |
| Robbie Gee | Actor | DI Traynor | |
| Stephen Tompkinson | Actor | Sean Philips | |
| Lee Whitlock | Actor | Jeremy | |
| Maxine Barton | Actor | Sallie Sturdy | |
| Frank Finlay | Actor | Arnold Tennison | |
| David Keyes | Actor | AA Speaker | |
| Seroca Davis | Actor | Delores | |
| Russell Mabey | Actor | Cox | |
| Laura Greenwood | Actor | Penny Philips | |
| Sydney White | Actor | Girl on Heath | |
| Amandla Crichlow | Actor | Gloria | |
| Tom Bell | Actor | Bill Otley | |
| Alex Blake | Actor | AA Speaker | |
| Ellie Kendrick | Actor | Melanie | |
| Laura Doddington | Actor | Wood | |
| Eve Best | Actor | Linda Philips | |
| Dystin Johnson | Actor | Staff Nurse | |
| Sharon Maharaj | Actor | Consultant | |
| Robert Pugh | Actor | DS Simms | |
| Helen Griffin | Actor | AA Speaker | |
| Ashley Madekwe | Actor | Tanya | |
| Heshima Thompson | Actor | Curtis Flynn | |
| Gary Lewis | Actor | Tony Sturdy |