With ITV drama Grantchester back on our screens on Thursday 11 January, viewers will see detective duo DI Geordie Keating and Reverend Will Davenport attempt to solve a new bunch of murders. But alongside the two leads, played by Robson Green and Tom Brittney, a host of familiar faces from previous seasons will be returning. Among those is Charlotte Ritchie, who is known for playing Bonnie Evans.The niece of Cathy Keating, Bonnie was a widow and single mum to little Ernie, though tied the knot in series seven after meeting Will and the couple are now expecting their first child together.