Season three of the TV series Grantchester. Year 2017 Video Release 2017-07-18 Studio PBS Genre TV Series MPAA Rating Not Rated Color Color Runtime 420 Animated Live-Action Full Synopsis Sidney Chambers James Norton, Happy Valley is a handsome, jazz-loving village vicar haunted by his past. Geordie Keating Robson Green, Wires in the Blood, Touching Evil is a hard-boiled police detective, overworked and weary. Together they solve crimes and right wrongs in picturesque 1950s Cambridge. Based on a novel by James Runcie, the hit British series returns with Chambers having doubts about his pious lifestyle, now that his old flame Amanda Morven Christie has left her husband. Director Edward Bennett Cast Edward Bennett; James Norton; Robson Green; Morven Christie; Al Weaver; Tessa Peake-Jones