Filming is underway on series four of critically acclaimed ITV1 detective drama, Grace, starring John Simm as Detective Superintendent Roy Grace and based on the best selling novels from globally renowned author, Peter James.Set in Brighton, Grace also sees returning cast members Richie Campbell (Top Boy, Stephen) as DS Glenn Branson, Zo? Tapper (Liar) as Cleo Morey, Craig Parkinson (Line of Duty) as DS Norman Potting, Laura Elphinstone (Chernobyl) as DS Bella Moy, Brad Morrison (Dinosaur) as DC Nick Nicholl and Sam Hoare (The Capture) as ACC Cassian Pewe.This series will also feature renowned TV and theatre actor, Robert Glenister (Sherwood, Hustle).Commented John Simm:“I’m so pleased to be back on set, filming series four of Grace. Four of Peter James’ Roy Grace novels are being adapted for this series and Grace fans will be pleased to know the stories are as dark as ever with lots of twists and turns.”Commissioned by ITV’s Head of Drama, Polly Hill, and Drama Commissioner, Huw Kennair Jones, the new series comprises four feature length films (4 x 120 mins) based on Peter James’s novels. Huw Kennair Jones will oversee production from ITV’s perspective.Viewing figures for series three have so far averaged over 5.6m per episode, an increase on series two, with the first episode consolidating at 6.7m.Commented Huw Kennair Jones:“We're thrilled to be making another series of Grace. John and the team continue to bring Peter's brilliant characters and stories to life in such an exciting way. It's also great to be working with Tall Story and Vaudeville Productions again as we head back to Brighton for four brand new cases.”Executive Producer Patrick Schweitzer said:“I’m delighted we are getting to adapt another four of Peter’s wonderful books for ITV and it’s great to have the cast and crew back together filming in Brighton.”Author Peter James said:“As a writer, the chance to have such a phenomenal and collaborative cast and crew to bring my novels to life continues to b