Author Louise Doughty announced in February 2017 that she was writing a sequel to the novel. She stated the second novel would be about Mark Costley.
The first episode was watched by large masses of viewers because Sherlock (2010) fans were convinced it was the secret fourth episode of Sherlock (2010) Season 4. It was not.
The four-part series was commissioned in 2016 and the first episode had its premiere on BBC One on 22 January 2017.
Apple Tree Yard is a British television thriller, adapted from the novel of the same name by Louise Doughty.
Ben Chaplin and Emily Watson also worked together on the film The Water Horse: Legend of the Deep (2007).