The Nuns of Nonnatus House: Meet the Cast of Call the Midwife

The nuns of Nonnatus House, including Sister Julienne (Helena Wilson), Sister Monica Joan (Helen Schlesinger), and Sister Evangelina (Amy Booth-Steel), serve as the administrative and spiritual leadership in the BBC series Call the Midwife. Based in the Poplar district of East London, these characters manage the clinic and provide emotional support to the nursing staff and the local community.

Who is Sister Julienne and how does she lead Nonnatus House?

Sister Julienne, played by Helena Wilson, is the Mother Superior of Nonnatus House. According to BBC program records, she oversees the daily operations of the convent and the midwifery clinic. Wilson portrays Julienne as a poised, diplomatic leader who balances the strict requirements of the church with the practical needs of the impoverished East End residents.

Julienne’s role often involves navigating the bureaucracy of the healthcare system and the church hierarchy. She acts as the primary authority figure for the midwives, offering guidance and discipline while maintaining a compassionate relationship with the women of Poplar.

What role does Sister Monica Joan play in the series?

Helen Schlesinger portrays Sister Monica Joan, the former head of the convent. As documented in IMDb’s cast listings, the character provides a blend of comic relief and deep historical perspective. Unlike the more disciplined Sister Julienne, Monica Joan is often depicted as spirited, eccentric, and occasionally rebellious.

Despite her age and occasional frailty, Sister Monica Joan represents the continuity of the mission in Poplar. Her character arc often explores themes of aging, memory, and the transition of power within the convent, contrasting her former authority with her current role as a senior resident.

How does Sister Evangelina contribute to the clinic?

Sister Evangelina, played by Amy Booth-Steel, is the most energetic and optimistic member of the Nonnatus House clergy. Booth-Steel’s portrayal emphasizes a youthful enthusiasm and a desire to help every person she encounters, though this often leads to humorous mishaps.

While Sister Julienne manages the administration, Sister Evangelina focuses on the social and spiritual outreach of the convent. She is frequently seen engaging with the children and families of the neighborhood, serving as a bridge between the formal structure of the church and the lived experience of the community.

How do the roles of the Nonnatus nuns differ?

The three characters create a tiered structure of leadership and support within the series. The following table illustrates their primary functions within the narrative:

Why does the convent structure matter to the story?

The presence of the nuns provides a stable foundation for the midwives, who are often working in volatile and impoverished conditions. By anchoring the medical practice within a religious institution, the show highlights the intersection of faith and medicine in mid-century Britain. This structure allows the series to explore social issues—such as poverty, maternal health, and class struggle—through the lens of those dedicated to selfless service.

The dynamic between the three women reflects different stages of a religious vocation: the active enthusiasm of Evangelina, the seasoned leadership of Julienne, and the reflective twilight of Monica Joan.

Frequently Asked Questions

Is Call the Midwife based on a true story?

Yes. The series is based on the memoirs of Jennifer Worth, who trained as a nurse-midwife in the East End of London during the 1950s.

Where is Nonnatus House located?

The fictional convent is located in the Poplar district of the East End of London.

Who plays the lead nuns in the show?

The primary nuns are played by Helena Wilson (Sister Julienne), Helen Schlesinger (Sister Monica Joan), and Amy Booth-Steel (Sister Evangelina).