Chris Reilly’s return reshapes Call the Midwife finale with Slow Horses tie

Chris Reilly, the actor named in the cast list for Call the Midwife’s concluding episode, arrives in Poplar as viewers prepare for the series 15 finale. The guest appearance links the period drama to a performer best known for his work on slow horses, and it comes as broadcasters outline how to watch the new season.

Slow Horses legend Chris Reilly joins Call the Midwife cast

Chris Reilly is listed among the guest performers for episode eight of Call the Midwife series 15. The coverage notes that Reilly is most recognised for his portrayal of Nick Duffy in the Apple TV series Slow Horses, and that he recently appeared as a character named Chris in the ’s Silent Witness two-part special, The Enemy Within.

Bernie Mullucks, Sister Monica Joan and the episode eight ensemble

Episode eight is described as the concluding instalment of series 15 and brings back characters who have threaded through recent episodes. Bernie Mullucks, played by Chris Reilly in his return role, is said to feature at Nonnatus House for the finale and to have previously returned in episode seven.

The story notes that Bernie first appeared in series five when he struggled to accept his daughter Susan’s birth with malformed limbs. Photographs from the finale depict him keeping company with Sister Monica Joan, pushing her wheelchair and joining her at a church service, and the cast list for the concluding episode also includes other recurring figures tied to the house’s ongoing dramas.

KPBS schedule and streaming for Call the Midwife Season 15

KPBS has published the season schedule: Season 15 premieres Sundays, March 22 – April 26, 2026 at 8: 00 pm ET on KPBS TV and KPBS+, with encores Tuesdays, March 24 – April 28 at 8: 00 pm ET on KPBS 2. KPBS also notes that two episodes can be streamed early with KPBS Passport on KPBS+.

KPBS describes KPBS+ as a free streaming app offering local curation and on-demand access, and it confirms that KPBS Passport members will be able to log in to access additional shows on KPBS+. The season’s early episodes and the scheduled broadcast windows establish when viewers can expect to see the guest-studded finale featuring Chris Reilly.

For viewers following the Nonnatus House storylines that have included concerns about the house’s future and Sister Monica Joan’s health, the final episode’s guest cast offers a particular frame: returning characters such as Bernie Mullucks appear alongside new and familiar faces to close out this run of episodes.

Revisiting the opening detail, Chris Reilly’s appearance in the concluding episode ties a performer known for Slow Horses back into the Call the Midwife world. The next confirmed development is the season launch on Sunday, March 22, 2026 at 8: 00 pm ET on KPBS TV, with episodes streaming on KPBS+ and encores on KPBS 2 through April 28, 2026.