Jo Martin, known from "Doctor Who", is part of the cast of the crime film adaptation "The Marlow Murder Club" Samantha Bond ("Downton Abbey") plays retired archaeologist Judith Potts, who lives alone in the small town of Marlow. Robert Thorogood's crime novel is being filmed as a two-parter, for which, according to the Radio Times, the author himself could be won.
He is also known as the creator of the long-running crime series "Death in Paradise"