Stay up to date with notifications from The IndependentNotifications can be managed in browser preferences.Jump to contentThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged inAllNewsSportCultureLifestyleA new three-part Christmas special prequel to Call The Midwife, titled Call The Midwife: Sisters In Arms, is currently filming. The series will explore the origins of Nonnatus House, set in 1939, focusing on the impact of the Second World War and the Blitz on the nurses and nuns. Guest stars include Julie Hesmondhalgh as Sister Alice and Bally Gill as Dr Kit Malhotra, alongside Helen Schlesinger and Martin McCann. Jenny Agutter will narrate as an older Sister Julienne, with Helena Wilson portraying her younger self, and other actors playing younger versions of beloved characters like Sister Monica Joan and Sister Evangelina. Showrunner Heidi Thomas expressed joy in writing the prequel, which delves into how the conflict changed the characters and what happens when women go to war. In fullBBC makes Call The Midwife Christmas special revelation as actors named for new prequel seriesThank you for registeringPlease refresh the page or navigate to another page on the site to be automatically logged inPlease refresh your browser to be logged in

Julie Hesmondhalgh and Bally Gill are among the guest stars in a new Call The Midwife prequel series, Sisters in Arms

The three-part drama will air over Christmas and be followed by a full-length series to be made next year

Call the Midwife will return for mini-series Sisters in Arms - here's everything you need to know

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