Call the Midwife series 15: Guest cast of episode 7 includes Life on Mars' Liz White, and Scottish Slow Horses star Chris Reilly
In the penultimate episode, viewers catch up with the Mullucks family 10 years on...
Call the Midwife series 15 continues with episode 7 and this Sunday’s episode sees the return of a family – and a child – who “sit at the tender heart of the show’s story” but who plays who in the cast?
In the penultimate episode, viewers catch up with the Mullucks family, 10 years on. Long-standing fans of the show might remember the family family, including Rhoda and Bernie, and their children Perry, Belinda, Susan and Paddy.
It was the heartache of young Susan’s birth that first brought the family to our attention in series 5. Susan was profoundly injured in the womb by the drug Thalidomide. It was a scandal that shook Nonnatus House, and the whole world.
Yet life for the Mullucks’ went on, and the BBC One series once again returns to see how this family has grown and coped, and how their stresses and pressures have ultimately shaped them. Susan is now nearly 11 years old; she’s a pre-teen on the verge of wider life. What will the future hold for her, and her particular needs, as her parents age?
Here’s who plays who in the guest cast of Call the Midwife episode 7, the penultimate of series 15 (Sunday, March 01, 2026).

Call the Midwife series 15 episode 7 cast: Chris Reilly stars as Susan’s dad Bernie Mullucks
Glaswegian actor Christopher ‘Chris’ Reilly portrays Susan’s dad Bernie Mullucks in Call the Midwife this week. The actor first played the role in the first episode of series 5 in 2016. He returned for an episode in season 6 a year later, and in season 12’s Christmas special in 2022.
He’s been on our screens ever since 2009 when he first popped up in the TV series Crash as a doctor. A year later, he was in the medical profession again, playing Ed Harman in Doctors, a role he played from 2010 to 2011.
Other notable roles include Andy in EastEnders, Sgt Tom Raveley in Homefront, Alan Isbister in Shetland, Jeff Patterson in Suspects, Ray Murray in Bang, and Sergeant Alex Baxter in The Last Post. Call the Midwife fans might remember him as Bernie Mullucks, a role he played in three episodes.
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In 2019, Chris starred as Gil Tomine in The Feed, before subsequently appearing in Devils, and The Head. He’s actually popped up in Silent Witness before. In 2013, he portrayed a different character called Sean Nugent in the episodes Greater Love Part 1 and 2.
More recently, Chris is best known for playing the rather unlikeable Nick Duffy in Slow Horses. He also portrayed Terry in Generation Z, and just last week played Jack’s boxing ‘buddy’ in Silent Witness.

Liz White plays Rhoda Mullucks
Actress Liz White also returns to the cast of Call the Midwife to play Susan’s mum Rhoda Mullucks. In this episode, Violet puts on her mayoral chain to open the Mullucks’ new bathroom extension for the local press. It’s a victory for the Council’s Bathroom Grant scheme. Rhoda proudly speaks to reporters about her family, including daughter Susan, who was born with Thalidomide-related disabilities.
However, Rhoda is left to struggle inside with Susan and her cumbersome wheelchair, clutching her side in pain as she bumps it up the steps…
Was Liz White in Life on Mars?
South Yorkshire TV, film, and theatre actress Liz White, 46, is probably best known for playing Annie Cartwright in the BBC One drama series Life on Mars. She played the role of Annie, police officer of the Manchester and Salford Police and the eventual girlfriend and then wife of DI Sam Tyler, between 2006 and 2007.
She subsequently portrayed Emma Keane in the Channel 4 school-based drama series Ackley Bridge between 2017 and 2019.
Liz made her very first TV appearance in 2002, playing Lorraine in the comedy drama Auf Wiedersehen, Pet. She later went on to appear in Ross Kemp’s Ultimate Force, Teachers, and A Thing Called Love.
Other notable roles include Jess Mercer in the crime drama The Fixer, Caroline in The Crimson Petal and the White, Jo Dwyer in Line of Duty series 2, and Lizzie Mottershead in Our Zoo. In 2017, Liz portrayed Peggy Taylor in The Halycon, before later playing Fiona Grayson in Unforgotten series 4.
More recently, Liz White has played Ali in Anatomy of a Scandal, PS Meg Winterburn in The Long Shadow, Debra in Tell Me Everything, and Hilary Roberts in Dalgliesh. This year, she’s played Emily in the Netflix drama Agatha Christie’s Seven Dials.
She’s also known for her roles in films, such as 2004’s Vera Drake, Franklyn in 2008, 2011’s Wild Bill, and the 2012 Daniel Radcliffe version of The Woman in Black.

Call the Midwife series 15 episode 7 cast: Emma Cunniffe stars as Ellen Briscoe
Chester-born Emma Cunniffe, 52, joins the cast as Ellen Briscoe in the penultimate episode of Call the Midwife. The actress has been on our screens for more than three decades, and is arguably most famous for playing Emma Kavanagh in The Lakes between 1997 and 1999. It was seminal TV at the time, and further proof that Jimmy McGovern was capable of great things beyond Brookside.
Emma also worked with writer Jimmy on heavyweight crime drama Cracker 1994. She went on to appear in Alison in Life After Birth, Kim Anderson in Clocking Off, and Annie Gould in Southcliffe.
In 2014, the actress starred as DS Hawthorn in Coronation Street. She subsequently appeared in Unforgotten series 2, Silent Witness, and Hugh Laurie’s political thriller Roadkill. More recently, Emma portrayed Margaret Oldfield in the true crime dramatisation The Long Shadow, and John and Claire’s therapist Eve Hardy in ITV’s Betrayal.
In real life, Emma is married to Rivals actor Rufus Jones.

Former Casualty actor Richard Dillane plays Mr Scarisbrick
Kent-born Richard Dillane, 61, plays Mr Scarisbrick in the penultimate episode of Call the Midwife series 15. And he’s a veteran actor of more than 30 years TV experience.
In fact, Richard made his very first TV appearance in 1995 playing Sgt Brad Connor in the Robson Green drama Soldier Soldier. After his auspicious start, the actor went on to appear in episodes of multiple big drama including Heartbeat, Men Behaving Badly, Big Women, and Cold Feet where he played photographer Miles Brodie – Karen’s old college friend.
Richard is perhaps most famous for playing Sean Anderson in Casualty, a role he played between 2008 and 2010. Sean Anderson was a consultant orthopaedic surgeon and the ex-husband of Jessica Harrison.
Other notable roles include Sir Thomas Stanley in The White Princess, Harvey Tilbrook in The Last Post, Ron Harriman in West of Liberty, Ludeca in The Last Kingdom, Colonel Lynedoch in Betaal, and Hemberg in Young Wallander.
In 2022, Richard starred as Patrick Wayne in Pennyworth, before going on to play Duke of Suffolk in Wolf Hall, Davo Sculdun in Andor, and Tom Libby in The Diplomat. More recently, the actor has portrayed Guy Hawkeridge in BBC thriller Wild Cherry, and Frederic Leighton in A Thousand Blows.

Joanna Brookes plays Sister Williams
Veteran actress Joanna Brookes plays Sister Williams. She’s had an extensive 40 year career on our screens, having started as a comedic actress in sketch shows including Hale and Pace, Sketch Pad, The All New Alexei Sayle Show, and Jo Brand Through the Cakehole.
In 2005, she played Elaine in the sitcom According to Bex, and went on to Denise in Bad Girls, and Margaret Hollis in Taking the Flak. Other notable roles include Sandra in Cheat.
Her film roles include Betty in The Strays, and Didi in Film Stars Don’t Die in Liverpool.
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Full guest cast list of Call the Midwife series 15 episode 7:
Christopher Reilly stars as Bernie Mullucks.
Liz White plays Rhoda Mullucks.
Emma Cunniffe stars as Ellen Briscoe.
Richard Dillane plays Mr Scarisbrick.
Joanna Brookes plays Sister Williams.
Eric’s Ryan Hunter portrays Laurence Berridge.
Ghosts’ Megan Grech is Jacqui Berridge.
Frayed’s Frazer Hadfield plays Mark Briscoe.
Doctors’ Gareth Clarke stars as the family lawyer.
Jekyll and Hyde’s Amy Bowden plays Cathy.
Line of Control’s Nikhil Singh Rai portrays Subhankar Das.
Stay Close’s Rachel Andrews stars as Belinda Mullucks.
Welcome to Essex’s Emily Webb is Susan Mullucks.
Iniquity’s Sam Dowdy portrays Perry Mullucks.
Newcomer Harrison Sharpe stars as Dr Drinkwater.
Newcomer Abbie Kidd stars as Mrs Andrews.
Andor’s Anuska Chakravarti plays Ranjini Das.