Doctor Thorne actress Stefanie Martini is to portray a younger version of Jane Tennison, the role made famous by Dame Helen Mirren in Prime Suspect.

The forthcoming ITV series, titled Tennison, will see the 25-year-old take on the role of the Detective Chief Inspector in the prequel.

Martini will be joined by The Riot Club’s Sam Reid and The Inbetweeners’ Blake Harrison, who will play her superiors DCI Len Bradfield and DS Spencer Gibbs respectively.

Dame Helen played Tennison in the original ITV series from 1991 to 2006,winning her three TV BAFTAs.