The term 'MANY 'CALL THE MIDWIFE' CHARACTERS' can be summarized by saying that the popular British television drama series 'Call the Midwife' features a large cast of characters, many of whom are nuns. The four-letter solution to this crossword is 'NUNS'. The show follows the lives of a group of midwives and nurses working in the East End of London in the 1950s and 1960s, and the nuns of Nonnatus House play an important role in the show.