The beloved BBC drama, Call the Midwife, returns with its 15th season and the second episode, following a "distressing" premiere, introduces a new medical technique that could revolutionise obstetrics. Meanwhile, Poplar is gripped by fear due to a potential rabies outbreak.
Cyril Robinson (portrayed by Zephryn Taitte) takes centre stage in this episode alongside Rosalind Clifford (Natalie Quarry), as he meets her parents for the first time, marking a significant milestone in their relationship as he seeks their approval.
Back at Nonnatus House, all of the main cast will return for the second episode, including Jenny Agutter as Sister Julienne and Judy Parfitt as Sister Monica Joan. The second episode also features an extensive guest cast.
Here's everything you need to know about who will be appearing.
Rosalind's father is portrayed by David Bark-Jones, an English actor renowned for his roles in film, theatre, and television.
In 2010, he won Broadwayworld. com's Best Actor in a West End Play for his portrayal of Richard Hannay in The 39 Steps.
His television credits include Alien: Earth, The Diplomat, Doctors, and Wing and a Prayer.
Josephine Clifford - Natasha JosephRosalind's mother is played by Natasha Joseph, who has featured in major soaps such as Holby City, Emmerdale, and Coronation Street.
Most recently, she starred as Rita in Jingle Bell Heist.
Ernest Bagnall - Nicolas TennantNicolas Tennant boasts a string of notable guest appearances, including various roles in The Bill. He also served as a barman in the acclaimed series Peaky Blinders and lent his voice to Owlsa in the miniseries Watership Down.
Joel Bagnall - Callum BurnsCallum Burns, portrayed by Joel Bagnall, is making his television debut in Call the Midwife, although he has previously appeared in films such as Masters of the Universe and Days Ending in Y?
He's primarily recognised for his stage performances, having starred in numerous Bristol Old Vic Theatre School productions like Jekyll and Hyde, A Midsummer Night's Dream and Twelfth Night.
Estelle Glennon - Julie Lamberton
Julie Lamberton, played by Estelle Glennon, is most renowned for her role as Maya Linton in the TV series Theodosia. Before landing guest roles in Storyland, Doctors and A Sunken Place, she featured in several short films.
Hope Glennon - Mimi JoffroyMimi Joffroy, brought to life by Hope Glennon, is a Northern Irish actress, singer and voiceover artist who also practices as a small animal vet. Her only other television role to date was as Kelly Watson in the series The Devil's Hour.
Jean Elmore - Sasha LatoyaSasha Latoya, played by Jean Elmore, took on the role of Maya in the series Date Me Not and had various parts in the series The B@it. Her most recent project was the crime film A Gangster's Life.
Hazel Rogers - Lauren Moakes
Lauren Moakes, portrayed by Hazel Rogers, is an actress and voice artist who honed her skills at the Oxford School of Drama. Most recently, Lauren toured the UK and Ireland playing the defendant in Murder Trial Tonight II.
Call the Midwife marks her first significant TV role, with her previous experience limited to short films.
Resident - Caroline FitzgeraldCaroline Fitzgerald is an actress renowned for her theatre performances, having graced the stage in Follies, Pride and Prejudice, and Blood Brothers.
Her television appearances include Coalition, BBC Proms and Children in Need.
Police officer - Chris AukettChris Aukett is a seasoned stage and TV actor who had a guest appearance in the series Romantic Getaway.
In addition to this, he has lent his voice to a video game character and was part of the ensemble cast of The Wind in the Willow: The New Musical.
Call the Midwife airs on BBC One on Sundays at 8pm
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