Call the Midwife is a BBC period drama series about a group of nurse midwives working in the East End of London in the 1950s and 1960s. It stars Jessica Raine, Miranda Hart, Helen George, Bryony Hannah, Laura Main, Jenny Agutter, Pam Ferris, Judy Parfitt, Cliff Parisi, Stephen McGann, Ben Caplan, Emerald Fennell, Victoria Yeates, Linda Bassett and Charlotte Ritchie. The series was created by Heidi Thomas, originally based on the memoirs of Jennifer Worth but since expanded to include new, historically sourced material.