Naman Ramachandran Keira Knightley has left the Apple TV Plus series “The Essex Serpent” over family reasons, Variety has confirmed.Sources tell Variety that production on the series was due to start in six weeks and is now on hiatus. Knightley’s representative told the Daily Mail, which first reported the news, that she had to leave for “family reasons.” The second wave of coronavirus is now upon the U.K.