With cheating, scandal and a rival chippie on the scene, Salt and Vinegar makes for one of Vera's most curious cases.What's more, it's jam-packed with a new batch of guest stars including Scarlett Brookes, Lee Armstrong and Leon Annor.Read on to find out more about the ensemble, and find a full list of every episode's guest stars.Brenda Blethyn plays DCI Vera StanhopeWho is Vera? DCI Vera Stanhope is a talented, compassionate and unconventional detective who heads up a team at Northumberland and City Police. She's prickly, blunt, almost always wears her distinctive hat, and doggedly pursues the truth of each case - even if it lands her in hot water.As the seasons have progressed, we've learnt more about her backstory, including her difficult relationship with her father.Where have I seen Brenda Blethyn before? You might recognise the two-time Oscar nominee as Mrs Bennett in the Keira Knightley version of Pride & Prejudice, or from her roles in Atonement, Secrets & Lies, Little Voice an...