Apple announced a six-episode seventh series on 8 July 2025. Gary Oldman is confirmed as Jackson Lamb. The announcement identifies Mick Herron's Bad Actors, the eighth Slough House novel, as the source. Checked on 12 October 2026, this page records those confirmed details without adding a release date.
Book and production
Apple's published premise puts Lamb and the slow horses on the hunt for a mole inside the British Government. The same announcement names Ben Vanstone as the television adapter and executive producer, with Robert McKillop set to direct. These production details were announced on 8 July 2025.
Confirmed cast
Questions and answers
Has Series 7 been commissioned?
Yes. Apple announced it on 8 July 2025.
Which book will it adapt?
Bad Actors, the eighth Slough House novel.
Is there a confirmed release date?
No release date is included in Apple’s commissioning announcement.